chore(ckeditor): remove original special characters

packages/ckeditor5/src/plugins/special_characters_emoji.ts

@@ -1,29 +0,0 @@
-import { Plugin, SpecialCharacters } from "ckeditor5";
-
-export default class SpecialCharactersEmojiPlugin extends Plugin {
-
-    static get requires() {
-        return [ SpecialCharacters ];
-    }
-
-    init() {
-        this.editor.plugins.get('SpecialCharacters').addItems('Emoji', [
-            { title: 'smiley face', character: '😊' },
-            { title: 'grinning face', character: '😄' },
-            { title: 'grinning face with big eyes', character: '😃' },
-            { title: 'grinning face with sweat', character: '😅' },
-            { title: 'beaming face with smiling eyes', character: '😃' },
-            { title: 'neutral face', character: '😐' },
-            { title: 'rolling on the floor laughing', character: '🤣' },
-            { title: 'face with tears of joy', character: '😂' },
-            { title: 'heart', character: '❤️' },
-            { title: 'hands pressed together', character: '🙏' },
-            { title: 'thumbs up', character: '👍' },
-            { title: 'rocket', character: '🚀' },
-            { title: '100', character: '💯' },
-            { title: 'wind blowing face', character: '🌬️' },
-            { title: 'floppy disk', character: '💾' }
-        ], { label: 'Emoji' });
-    }
-
-}