fix style

"©"削除処理をemojione_lightに移動

* chore(yarn): Install babel-plugin-preval as development dependency

* feat(babel): Add preval as a plugin

* feat(emojione_light): Prevaled module what tree-shaked emojione

* refactor(emoji): Use emojione_light

* feat: Preload emojione_picker bundle

* fix(emojione_light): Do not use Object.entries

* fix(emojify): Update tests

* chore(emojione_light): Remove silly ascii art