remove CheckMigrationFeatureFlags

Signed-off-by: carlory <baofa.fan@daocloud.io>

pkg/volume/csimigration/plugin_manager.go

@@ -21,7 +21,6 @@ import (
 	"fmt"
 
 	v1 "k8s.io/api/core/v1"
-	"k8s.io/component-base/featuregate"
 	csilibplugins "k8s.io/csi-translation-lib/plugins"
 	"k8s.io/klog/v2"
 	"k8s.io/kubernetes/pkg/volume"
@@ -149,15 +148,3 @@ func TranslateInTreeSpecToCSI(logger klog.Logger, spec *volume.Spec, podNamespac
 		InlineVolumeSpecForCSIMigration: inlineVolume,
 	}, nil
 }
-
-// CheckMigrationFeatureFlags checks the configuration of feature flags related
-// to CSI Migration is valid. It will return whether the migration is complete
-// by looking up the pluginUnregister flag
-func CheckMigrationFeatureFlags(f featuregate.FeatureGate, pluginMigration,
-	pluginUnregister featuregate.Feature) (migrationComplete bool, err error) {
-	// This is for in-tree plugin that get migration finished
-	if f.Enabled(pluginMigration) && f.Enabled(pluginUnregister) {
-		return true, nil
-	}
-	return false, nil
-}