Merge branch '322829-monitoring-embed_group-store-being-initialized-on-every-page' into 'master'

Ensure metric embed store is not initialized on every page

See merge request gitlab-org/gitlab!55342

app/assets/javascripts/monitoring/stores/embed_group/index.js

@@ -20,5 +20,3 @@ export const createStore = () =>
       },
     },
   });
-
-export default createStore();