Removed return from the transformers due to the use of the new mutable transformer

Author: megothss

assets/javascripts/discourse/initializers/extend-for-assigns.js

@@ -754,8 +754,6 @@ function customizePostMenu(api) {
               after: POST_MENU_DELETE_BUTTON_KEY,
             }
       );
-
-      return dag;
     }
   );