pkg/util: move flags from pkg/util/config to pkg/util/flags

pkg/api/validation/validation.go

@@ -44,7 +44,7 @@ import (
 	storageutil "k8s.io/kubernetes/pkg/apis/storage/util"
 	"k8s.io/kubernetes/pkg/capabilities"
 	"k8s.io/kubernetes/pkg/security/apparmor"
-	utilconfig "k8s.io/kubernetes/pkg/util/config"
+	utilflag "k8s.io/kubernetes/pkg/util/flag"
 	"k8s.io/kubernetes/pkg/util/intstr"
 )
 
@@ -2063,7 +2063,7 @@ func ValidateAppArmorPodAnnotations(annotations map[string]string, spec *api.Pod
 		if !strings.HasPrefix(k, apparmor.ContainerAnnotationKeyPrefix) {
 			continue
 		}
-		if !utilconfig.DefaultFeatureGate.AppArmor() {
+		if !utilflag.DefaultFeatureGate.AppArmor() {
 			allErrs = append(allErrs, field.Forbidden(fldPath.Key(k), "AppArmor is disabled by feature-gate"))
 			continue
 		}