Loki: Remove experimental predefined operations (#107289)

* Loki: Remove experimental predefined operations

* Fix lint

pkg/services/featuremgmt/registry.go

@@ -262,13 +262,6 @@ var (
 			Stage:        FeatureStageExperimental,
 			Owner:        grafanaFrontendPlatformSquad,
 		},
-		{
-			Name:         "lokiPredefinedOperations",
-			Description:  "Adds predefined query operations to Loki query editor",
-			FrontendOnly: true,
-			Stage:        FeatureStageExperimental,
-			Owner:        grafanaObservabilityLogsSquad,
-		},
 		{
 			Name:        "pluginsFrontendSandbox",
 			Description: "Enables the plugins frontend sandbox",

pkg/services/featuremgmt/toggles_gen.csv

@@ -33,7 +33,6 @@ refactorVariablesTimeRange,preview,@grafana/dashboards-squad,false,false,false
 faroDatasourceSelector,preview,@grafana/app-o11y,false,false,true
 enableDatagridEditing,preview,@grafana/dataviz-squad,false,false,true
 extraThemes,experimental,@grafana/grafana-frontend-platform,false,false,true
-lokiPredefinedOperations,experimental,@grafana/observability-logs,false,false,true
 pluginsFrontendSandbox,privatePreview,@grafana/plugins-platform-backend,false,false,false
 pluginsDetailsRightPanel,GA,@grafana/plugins-platform-backend,false,false,true
 sqlDatasourceDatabaseSelection,preview,@grafana/oss-big-tent,false,false,true

pkg/services/featuremgmt/toggles_gen.go

@@ -143,10 +143,6 @@ const (
 	// Enables extra themes
 	FlagExtraThemes = "extraThemes"
 
-	// FlagLokiPredefinedOperations
-	// Adds predefined query operations to Loki query editor
-	FlagLokiPredefinedOperations = "lokiPredefinedOperations"
-
 	// FlagPluginsFrontendSandbox
 	// Enables the plugins frontend sandbox
 	FlagPluginsFrontendSandbox = "pluginsFrontendSandbox"

pkg/services/featuremgmt/toggles_gen.json

@@ -1846,7 +1846,8 @@
       "metadata": {
         "name": "lokiPredefinedOperations",
         "resourceVersion": "1750434297879",
-        "creationTimestamp": "2023-06-02T10:52:36Z"
+        "creationTimestamp": "2023-06-02T10:52:36Z",
+        "deletionTimestamp": "2025-06-27T08:08:44Z"
       },
       "spec": {
         "description": "Adds predefined query operations to Loki query editor",