remove unnecessary wrapper class

app/views/projects/clusters/_health.html.haml

@@ -2,7 +2,6 @@
 %section.settings.no-animate.expanded#cluster-health
   %h4= s_('ClusterIntegration|Kubernetes cluster health')
 
-  .settings-content
   - if @cluster&.application_prometheus&.installed?
     #prometheus-graphs{ data: { "settings-path": edit_project_service_path(@project, 'prometheus'),
       "clusters-path": project_clusters_path(@project),