Don't truncate EmojiProvider completion pills

src/autocomplete/EmojiProvider.js

@@ -118,7 +118,7 @@ export default class EmojiProvider extends AutocompleteProvider {
     }
 
     renderCompletions(completions: [React.Component]): ?React.Component {
-        return <div className="mx_Autocomplete_Completion_container_pill mx_Autocomplete_Completion_container_truncate">
+        return <div className="mx_Autocomplete_Completion_container_pill">
             {completions}
         </div>;
     }