Fixed syntax error

refs d9c9818c73

- trailing `}` was lost when deleting functionality from the `design.settings` route class

ghost/admin/app/routes/settings/design.js

@@ -36,3 +36,4 @@ export default class SettingsDesignRoute extends AuthenticatedRoute {
             mainClasses: ['gh-main-fullwidth']
         };
     }
+}