Fix dependencies

vendor/google.golang.org/protobuf/internal/impl/enum.go

@@ -1,21 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package impl
-
-import (
-	"reflect"
-
-	pref "google.golang.org/protobuf/reflect/protoreflect"
-)
-
-type EnumInfo struct {
-	GoReflectType reflect.Type // int32 kind
-	Desc          pref.EnumDescriptor
-}
-
-func (t *EnumInfo) New(n pref.EnumNumber) pref.Enum {
-	return reflect.ValueOf(n).Convert(t.GoReflectType).Interface().(pref.Enum)
-}
-func (t *EnumInfo) Descriptor() pref.EnumDescriptor { return t.Desc }