Correlations: Remove correlations feature toggle (#113752)

* Remove correlations feature toggle

The correlations feature toggle has been removed from the registry and all
usages throughout the codebase have been cleaned up. Correlations are now
always available.

pkg/services/featuremgmt/registry.go

@@ -69,14 +69,6 @@ var (
 			Stage:       FeatureStageExperimental,
 			Owner:       grafanaSearchAndStorageSquad,
 		},
-		{
-			Name:           "correlations",
-			Description:    "Correlations page",
-			Stage:          FeatureStageGeneralAvailability,
-			Owner:          grafanaDataProSquad,
-			Expression:     "true", // enabled by default
-			AllowSelfServe: true,
-		},
 		{
 			Name:              "canvasPanelNesting",
 			Description:       "Allow elements nesting",

pkg/services/featuremgmt/toggles_gen.csv

@@ -6,7 +6,6 @@ publicDashboardsScene,GA,@grafana/grafana-operator-experience-squad,false,false,
 lokiExperimentalStreaming,experimental,@grafana/observability-logs,false,false,false
 featureHighlights,GA,@grafana/grafana-operator-experience-squad,false,false,false
 storage,experimental,@grafana/search-and-storage,false,false,false
-correlations,GA,@grafana/datapro,false,false,false
 canvasPanelNesting,experimental,@grafana/dataviz-squad,false,false,true
 logRequestsInstrumentedAsUnknown,experimental,@grafana/grafana-backend-group,false,false,false
 grpcServer,preview,@grafana/search-and-storage,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -35,10 +35,6 @@ const (
 	// Configurable storage for dashboards, datasources, and resources
 	FlagStorage = "storage"
 
-	// FlagCorrelations
-	// Correlations page
-	FlagCorrelations = "correlations"
-
 	// FlagCanvasPanelNesting
 	// Allow elements nesting
 	FlagCanvasPanelNesting = "canvasPanelNesting"

pkg/services/featuremgmt/toggles_gen.json

@@ -1024,6 +1024,7 @@
         "name": "correlations",
         "resourceVersion": "1762442825881",
         "creationTimestamp": "2022-09-16T13:14:27Z",
+        "deletionTimestamp": "2025-11-12T13:11:31Z",
         "annotations": {
           "grafana.app/updatedTimestamp": "2025-11-06 15:27:05.88172 +0000 UTC"
         }

pkg/services/navtree/navtreeimpl/admin.go

@@ -89,7 +89,7 @@ func (s *ServiceImpl) getAdminNode(c *contextmodel.ReqContext) (*navtree.NavLink
 			Url:      s.cfg.AppSubURL + "/plugins",
 		})
 	}
-	if s.features.IsEnabled(ctx, featuremgmt.FlagCorrelations) && hasAccess(correlations.ConfigurationPageAccess) {
+	if hasAccess(correlations.ConfigurationPageAccess) {
 		pluginsNodeLinks = append(pluginsNodeLinks, &navtree.NavLink{
 			Text:     "Correlations",
 			Icon:     "gf-glue",