Remove unused code in pkg/api/,pkg/apis/

pkg/api/testing/serialization_test.go

@@ -23,10 +23,8 @@ import (
 	"io/ioutil"
 	"math/rand"
 	"reflect"
-	"strings"
 	"testing"
 
-	"github.com/golang/protobuf/proto"
 	jsoniter "github.com/json-iterator/go"
 
 	"k8s.io/api/core/v1"
@@ -66,17 +64,6 @@ func fuzzInternalObject(t *testing.T, forVersion schema.GroupVersion, item runti
 	return item
 }
 
-// dataAsString returns the given byte array as a string; handles detecting
-// protocol buffers.
-func dataAsString(data []byte) string {
-	dataString := string(data)
-	if !strings.HasPrefix(dataString, "{") {
-		dataString = "\n" + hex.Dump(data)
-		proto.NewBuffer(make([]byte, 0, 1024)).DebugPrint("decoded object", data)
-	}
-	return dataString
-}
-
 func Convert_v1beta1_ReplicaSet_to_api_ReplicationController(in *v1beta1.ReplicaSet, out *api.ReplicationController, s conversion.Scope) error {
 	intermediate1 := &extensions.ReplicaSet{}
 	if err := k8s_v1beta1.Convert_v1beta1_ReplicaSet_To_extensions_ReplicaSet(in, intermediate1, s); err != nil {