Remove useless `respond_to` calls (#13208)

app/controllers/api/v1/accounts/follower_accounts_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::Accounts::FollowerAccountsController < Api::BaseController
   before_action :set_account
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/accounts/following_accounts_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::Accounts::FollowingAccountsController < Api::BaseController
   before_action :set_account
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/accounts/identity_proofs_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::Accounts::IdentityProofsController < Api::BaseController
   before_action :require_user!
   before_action :set_account
 
-  respond_to :json
-
   def index
     @proofs = @account.identity_proofs.active
     render json: @proofs, each_serializer: REST::IdentityProofSerializer

app/controllers/api/v1/accounts/lists_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::Accounts::ListsController < Api::BaseController
   before_action :require_user!
   before_action :set_account
 
-  respond_to :json
-
   def index
     @lists = @account.lists.where(account: current_account)
     render json: @lists, each_serializer: REST::ListSerializer

app/controllers/api/v1/accounts/pins_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::Accounts::PinsController < Api::BaseController
   before_action :require_user!
   before_action :set_account
 
-  respond_to :json
-
   def create
     AccountPin.create!(account: current_account, target_account: @account)
     render json: @account, serializer: REST::RelationshipSerializer, relationships: relationships_presenter

app/controllers/api/v1/accounts/relationships_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::Accounts::RelationshipsController < Api::BaseController
   before_action -> { doorkeeper_authorize! :read, :'read:follows' }
   before_action :require_user!
 
-  respond_to :json
-
   def index
     accounts = Account.where(id: account_ids).select('id')
     # .where doesn't guarantee that our results are in the same order

app/controllers/api/v1/accounts/search_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::Accounts::SearchController < Api::BaseController
   before_action -> { doorkeeper_authorize! :read, :'read:accounts' }
   before_action :require_user!
 
-  respond_to :json
-
   def show
     @accounts = account_search
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/accounts/statuses_controller.rb

@@ -6,8 +6,6 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
 
   after_action :insert_pagination_headers, unless: -> { truthy_param?(:pinned) }
 
-  respond_to :json
-
   def index
     @statuses = load_statuses
     render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)

app/controllers/api/v1/accounts_controller.rb

@@ -14,8 +14,6 @@ class Api::V1::AccountsController < Api::BaseController
 
   skip_before_action :require_authenticated_user!, only: :create
 
-  respond_to :json
-
   def show
     render json: @account, serializer: REST::AccountSerializer
   end

app/controllers/api/v1/apps/credentials_controller.rb

@@ -3,8 +3,6 @@
 class Api::V1::Apps::CredentialsController < Api::BaseController
   before_action -> { doorkeeper_authorize! :read }
 
-  respond_to :json
-
   def show
     render json: doorkeeper_token.application, serializer: REST::ApplicationSerializer, fields: %i(name website vapid_key)
   end

app/controllers/api/v1/blocks_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::BlocksController < Api::BaseController
   before_action :require_user!
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/bookmarks_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::BookmarksController < Api::BaseController
   before_action :require_user!
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @statuses = load_statuses
     render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)

app/controllers/api/v1/conversations_controller.rb

@@ -9,8 +9,6 @@ class Api::V1::ConversationsController < Api::BaseController
   before_action :set_conversation, except: :index
   after_action :insert_pagination_headers, only: :index
 
-  respond_to :json
-
   def index
     @conversations = paginated_conversations
     render json: @conversations, each_serializer: REST::ConversationSerializer

app/controllers/api/v1/custom_emojis_controller.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Api::V1::CustomEmojisController < Api::BaseController
-  respond_to :json
-
   skip_before_action :set_cache_headers
 
   def index

app/controllers/api/v1/domain_blocks_controller.rb

@@ -8,8 +8,6 @@ class Api::V1::DomainBlocksController < Api::BaseController
   before_action :require_user!
   after_action :insert_pagination_headers, only: :show
 
-  respond_to :json
-
   def show
     @blocks = load_domain_blocks
     render json: @blocks.map(&:domain)

app/controllers/api/v1/endorsements_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::EndorsementsController < Api::BaseController
   before_action :require_user!
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/favourites_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::FavouritesController < Api::BaseController
   before_action :require_user!
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @statuses = load_statuses
     render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)

app/controllers/api/v1/featured_tags/suggestions_controller.rb

@@ -2,12 +2,9 @@
 
 class Api::V1::FeaturedTags::SuggestionsController < Api::BaseController
   before_action -> { doorkeeper_authorize! :read, :'read:accounts' }, only: :index
-
   before_action :require_user!
   before_action :set_most_used_tags, only: :index
 
-  respond_to :json
-
   def index
     render json: @most_used_tags, each_serializer: REST::TagSerializer
   end

app/controllers/api/v1/filters_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::FiltersController < Api::BaseController
   before_action :set_filters, only: :index
   before_action :set_filter, only: [:show, :update, :destroy]
 
-  respond_to :json
-
   def index
     render json: @filters, each_serializer: REST::FilterSerializer
   end

app/controllers/api/v1/instances/activity_controller.rb

@@ -6,8 +6,6 @@ class Api::V1::Instances::ActivityController < Api::BaseController
   skip_before_action :set_cache_headers
   skip_before_action :require_authenticated_user!, unless: :whitelist_mode?
 
-  respond_to :json
-
   def show
     expires_in 1.day, public: true
     render_with_cache json: :activity, expires_in: 1.day

app/controllers/api/v1/instances/peers_controller.rb

@@ -6,8 +6,6 @@ class Api::V1::Instances::PeersController < Api::BaseController
   skip_before_action :set_cache_headers
   skip_before_action :require_authenticated_user!, unless: :whitelist_mode?
 
-  respond_to :json
-
   def index
     expires_in 1.day, public: true
     render_with_cache(expires_in: 1.day) { Account.remote.domains }

app/controllers/api/v1/instances_controller.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Api::V1::InstancesController < Api::BaseController
-  respond_to :json
-
   skip_before_action :set_cache_headers
   skip_before_action :require_authenticated_user!, unless: :whitelist_mode?
 

app/controllers/api/v1/media_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::MediaController < Api::BaseController
   before_action -> { doorkeeper_authorize! :write, :'write:media' }
   before_action :require_user!
 
-  respond_to :json
-
   def create
     @media = current_account.media_attachments.create!(media_params)
     render json: @media, serializer: REST::MediaAttachmentSerializer

app/controllers/api/v1/mutes_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::MutesController < Api::BaseController
   before_action :require_user!
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/notifications_controller.rb

@@ -6,8 +6,6 @@ class Api::V1::NotificationsController < Api::BaseController
   before_action :require_user!
   after_action :insert_pagination_headers, only: :index
 
-  respond_to :json
-
   DEFAULT_NOTIFICATIONS_LIMIT = 15
 
   def index

app/controllers/api/v1/polls/votes_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::Polls::VotesController < Api::BaseController
   before_action :require_user!
   before_action :set_poll
 
-  respond_to :json
-
   def create
     VoteService.new.call(current_account, @poll, vote_params[:choices])
     render json: @poll, serializer: REST::PollSerializer

app/controllers/api/v1/polls_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::PollsController < Api::BaseController
   before_action :set_poll
   before_action :refresh_poll
 
-  respond_to :json
-
   def show
     render json: @poll, serializer: REST::PollSerializer, include_results: true
   end

app/controllers/api/v1/preferences_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::PreferencesController < Api::BaseController
   before_action -> { doorkeeper_authorize! :read, :'read:accounts' }
   before_action :require_user!
 
-  respond_to :json
-
   def index
     render json: current_account, serializer: REST::PreferencesSerializer
   end

app/controllers/api/v1/reports_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::ReportsController < Api::BaseController
   before_action -> { doorkeeper_authorize! :write, :'write:reports' }, only: [:create]
   before_action :require_user!
 
-  respond_to :json
-
   def create
     @report = ReportService.new.call(
       current_account,

app/controllers/api/v1/statuses/bookmarks_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::Statuses::BookmarksController < Api::BaseController
   before_action :require_user!
   before_action :set_status
 
-  respond_to :json
-
   def create
     current_account.bookmarks.find_or_create_by!(account: current_account, status: @status)
     render json: @status, serializer: REST::StatusSerializer

app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::Statuses::FavouritedByAccountsController < Api::BaseController
   before_action :set_status
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/statuses/favourites_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::Statuses::FavouritesController < Api::BaseController
   before_action :require_user!
   before_action :set_status
 
-  respond_to :json
-
   def create
     FavouriteService.new.call(current_account, @status)
     render json: @status, serializer: REST::StatusSerializer

app/controllers/api/v1/statuses/mutes_controller.rb

@@ -8,8 +8,6 @@ class Api::V1::Statuses::MutesController < Api::BaseController
   before_action :set_status
   before_action :set_conversation
 
-  respond_to :json
-
   def create
     current_account.mute_conversation!(@conversation)
     @mutes_map = { @conversation.id => true }

app/controllers/api/v1/statuses/pins_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::Statuses::PinsController < Api::BaseController
   before_action :require_user!
   before_action :set_status
 
-  respond_to :json
-
   def create
     StatusPin.create!(account: current_account, status: @status)
     distribute_add_activity!

app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::Statuses::RebloggedByAccountsController < Api::BaseController
   before_action :set_status
   after_action :insert_pagination_headers
 
-  respond_to :json
-
   def index
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer

app/controllers/api/v1/statuses/reblogs_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::Statuses::ReblogsController < Api::BaseController
   before_action :require_user!
   before_action :set_reblog
 
-  respond_to :json
-
   def create
     @status = ReblogService.new.call(current_account, @reblog, reblog_params)
     render json: @status, serializer: REST::StatusSerializer

app/controllers/api/v1/statuses_controller.rb

@@ -8,8 +8,6 @@ class Api::V1::StatusesController < Api::BaseController
   before_action :require_user!, except:  [:show, :context]
   before_action :set_status, only:       [:show, :context]
 
-  respond_to :json
-
   # This API was originally unlimited, pagination cannot be introduced without
   # breaking backwards-compatibility. Arbitrarily high number to cover most
   # conversations as quasi-unlimited, it would be too much work to render more

app/controllers/api/v1/streaming_controller.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Api::V1::StreamingController < Api::BaseController
-  respond_to :json
-
   def index
     if Rails.configuration.x.streaming_api_base_url != request.host
       redirect_to streaming_api_url, status: 301

app/controllers/api/v1/suggestions_controller.rb

@@ -7,8 +7,6 @@ class Api::V1::SuggestionsController < Api::BaseController
   before_action :require_user!
   before_action :set_accounts
 
-  respond_to :json
-
   def index
     render json: @accounts, each_serializer: REST::AccountSerializer
   end

app/controllers/api/v1/timelines/home_controller.rb

@@ -5,8 +5,6 @@ class Api::V1::Timelines::HomeController < Api::BaseController
   before_action :require_user!, only: [:show]
   after_action :insert_pagination_headers, unless: -> { @statuses.empty? }
 
-  respond_to :json
-
   def show
     @statuses = load_statuses
 

app/controllers/api/v1/timelines/public_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::Timelines::PublicController < Api::BaseController
   before_action :require_user!, only: [:show], if: :require_auth?
   after_action :insert_pagination_headers, unless: -> { @statuses.empty? }
 
-  respond_to :json
-
   def show
     @statuses = load_statuses
     render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)

app/controllers/api/v1/timelines/tag_controller.rb

@@ -4,8 +4,6 @@ class Api::V1::Timelines::TagController < Api::BaseController
   before_action :load_tag
   after_action :insert_pagination_headers, unless: -> { @statuses.empty? }
 
-  respond_to :json
-
   def show
     @statuses = load_statuses
     render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)

app/controllers/api/v1/trends_controller.rb

@@ -3,8 +3,6 @@
 class Api::V1::TrendsController < Api::BaseController
   before_action :set_tags
 
-  respond_to :json
-
   def index
     render json: @tags, each_serializer: REST::TagSerializer
   end

app/controllers/api/v2/search_controller.rb

@@ -8,8 +8,6 @@ class Api::V2::SearchController < Api::BaseController
   before_action -> { doorkeeper_authorize! :read, :'read:search' }
   before_action :require_user!
 
-  respond_to :json
-
   def index
     @search = Search.new(search_results)
     render json: @search, serializer: REST::SearchSerializer

app/controllers/api/web/embeds_controller.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Api::Web::EmbedsController < Api::Web::BaseController
-  respond_to :json
-
   before_action :require_user!
 
   def create

app/controllers/api/web/push_subscriptions_controller.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Api::Web::PushSubscriptionsController < Api::Web::BaseController
-  respond_to :json
-
   before_action :require_user!
 
   def create

app/controllers/api/web/settings_controller.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class Api::Web::SettingsController < Api::Web::BaseController
-  respond_to :json
-
   before_action :require_user!
 
   def update