fix lint and clean code

js/views/conversation_view.js

@@ -350,12 +350,9 @@
             props: getGroupSettingsProp(this.model),
           });
           this.$('.conversation-content-right').append(this.groupSettings.el);
-          this.$('.conversation-content-right').show();
+        } else {
-
-          return;
-        }
-
           this.groupSettings.update(getGroupSettingsProp(this.model));
+        }
         this.$('.conversation-content-right').show();
       };