[Glitch] Run eslint --fix

I don't like it changing files this way, but it's basically what
c49213f0ea and a few others did.

app/javascript/flavours/glitch/reducers/custom_emojis.js

@@ -12,4 +12,4 @@ export default function custom_emojis(state = initialState, action) {
   }
 
   return state;
-};
+}