unified-storage: remove full ngram feature toggle (#111994)

* unified-storage: remove full ngram feature toggle

pkg/services/featuremgmt/registry.go

@@ -1227,14 +1227,6 @@ var (
 			HideFromDocs:      true,
 			HideFromAdminPage: true,
 		},
-		{
-			Name:              "unifiedStorageUseFullNgram",
-			Description:       "Use full n-gram indexing instead of edge n-gram for unified storage search",
-			Stage:             FeatureStageExperimental,
-			Owner:             grafanaSearchAndStorageSquad,
-			HideFromDocs:      true,
-			HideFromAdminPage: true,
-		},
 		{
 			Name:              "managedDualWriter",
 			Description:       "Pick the dual write mode from database configs",

pkg/services/featuremgmt/toggles_gen.csv

@@ -160,7 +160,6 @@ useSessionStorageForRedirection,GA,@grafana/identity-access-team,false,false,fal
 rolePickerDrawer,experimental,@grafana/identity-access-team,false,false,false
 unifiedStorageSearch,experimental,@grafana/search-and-storage,false,false,false
 unifiedStorageSearchSprinkles,experimental,@grafana/search-and-storage,false,false,false
-unifiedStorageUseFullNgram,experimental,@grafana/search-and-storage,false,false,false
 managedDualWriter,experimental,@grafana/search-and-storage,false,false,false
 pluginsSriChecks,GA,@grafana/plugins-platform-backend,false,false,false
 unifiedStorageBigObjectsSupport,experimental,@grafana/search-and-storage,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -651,10 +651,6 @@ const (
 	// Enable sprinkles on unified storage search
 	FlagUnifiedStorageSearchSprinkles = "unifiedStorageSearchSprinkles"
 
-	// FlagUnifiedStorageUseFullNgram
-	// Use full n-gram indexing instead of edge n-gram for unified storage search
-	FlagUnifiedStorageUseFullNgram = "unifiedStorageUseFullNgram"
-
 	// FlagManagedDualWriter
 	// Pick the dual write mode from database configs
 	FlagManagedDualWriter = "managedDualWriter"

pkg/services/featuremgmt/toggles_gen.json

@@ -4056,7 +4056,8 @@
       "metadata": {
         "name": "unifiedStorageUseFullNgram",
         "resourceVersion": "1758820248165",
-        "creationTimestamp": "2025-09-25T17:10:48Z"
+        "creationTimestamp": "2025-09-25T17:10:48Z",
+        "deletionTimestamp": "2025-10-22T12:24:39Z"
       },
       "spec": {
         "description": "Use full n-gram indexing instead of edge n-gram for unified storage search",