Address review comments

pkg/apis/core/fuzzer/fuzzer.go

@@ -23,6 +23,7 @@ import (
 
 	fuzz "github.com/google/gofuzz"
 
+	corev1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -85,7 +86,7 @@ var Funcs = func(codecs runtimeserializer.CodecFactory) []interface{} {
 				s.SchedulerName = core.DefaultSchedulerName
 			}
 			if s.EnableServiceLinks == nil {
-				enableServiceLinks := core.DefaultEnableServiceLinks
+				enableServiceLinks := corev1.DefaultEnableServiceLinks
 				s.EnableServiceLinks = &enableServiceLinks
 			}
 		},

pkg/apis/core/types.go

@@ -2604,11 +2604,6 @@ type PodSpec struct {
 	EnableServiceLinks *bool
 }
 
-const (
-	// The default value for enableServiceLinks attribute.
-	DefaultEnableServiceLinks = true
-)
-
 // HostAlias holds the mapping between IP and hostnames that will be injected as an entry in the
 // pod's hosts file.
 type HostAlias struct {

pkg/apis/core/v1/defaults.go

@@ -23,7 +23,6 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/intstr"
 	utilfeature "k8s.io/apiserver/pkg/util/feature"
-	"k8s.io/kubernetes/pkg/apis/core"
 	"k8s.io/kubernetes/pkg/features"
 	"k8s.io/kubernetes/pkg/util/parsers"
 	utilpointer "k8s.io/utils/pointer"
@@ -184,7 +183,7 @@ func SetDefaults_PodSpec(obj *v1.PodSpec) {
 		obj.SchedulerName = v1.DefaultSchedulerName
 	}
 	if obj.EnableServiceLinks == nil {
-		enableServiceLinks := core.DefaultEnableServiceLinks
+		enableServiceLinks := v1.DefaultEnableServiceLinks
 		obj.EnableServiceLinks = &enableServiceLinks
 	}
 }