K8s/Storage: Deprecate StorageTypeLegacy (#98096)

pkg/services/apiserver/builder/helper.go

@@ -178,6 +178,8 @@ func InstallAPIs(
 	// this is needed to support setting a default RESTOptionsGetter for new APIs that don't
 	// support the legacy storage type.
 	var dualWrite grafanarest.DualWriteBuilder
+
+	// nolint:staticcheck
 	if storageOpts.StorageType != options.StorageTypeLegacy {
 		dualWrite = func(gr schema.GroupResource, legacy grafanarest.LegacyStorage, storage grafanarest.Storage) (grafanarest.Storage, error) {
 			key := gr.String() // ${resource}.{group} eg playlists.playlist.grafana.app