Revert [MacViews] Implemented text context menu

ui/views/controls/views_text_services_context_menu.cc

Index: ui/views/controls/views_text_services_context_menu.cc
diff --git a/ui/views/controls/views_text_services_context_menu.cc b/ui/views/controls/views_text_services_context_menu.cc
deleted file mode 100644
index 8a6a4148bfae7977dfe13d307d516afb97796569..0000000000000000000000000000000000000000
--- a/ui/views/controls/views_text_services_context_menu.cc
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/views/controls/views_text_services_context_menu.h"
-
-namespace views {
-
-// static
-std::unique_ptr<ViewsTextServicesContextMenu>
-ViewsTextServicesContextMenu::Create(ui::SimpleMenuModel* menu,
-                                     Textfield* client) {
-  return nullptr;
-}
-
-}  // namespace views