Index: branches/5.2.x/core/ckeditor/plugins/placeholder/lang/zh-cn.js
===================================================================
diff -u -N
--- branches/5.2.x/core/ckeditor/plugins/placeholder/lang/zh-cn.js	(revision 15316)
+++ branches/5.2.x/core/ckeditor/plugins/placeholder/lang/zh-cn.js	(revision 0)
@@ -1,6 +0,0 @@
-/*
-Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
-For licensing, see LICENSE.html or http://ckeditor.com/license
-*/
-
-CKEDITOR.plugins.setLang('placeholder','zh-cn',{placeholder:{title:'占位符属性',toolbar:'创建占位符',text:'占位符文字',edit:'编辑占位符',textMissing:'占位符必需包含有文字'}});