去除其中关于谷歌被墙的代码，以防跟其他类抵触

git-svn-id: https://plugins.svn.wordpress.org/wp2pcs/trunk@1043423 b8457f37-d9ea-0310-8a92-e5e31aec5664
把外链码改为站点号，更符合实际

git-svn-id: https://plugins.svn.wordpress.org/wp2pcs/trunk@1043424 b8457f37-d9ea-0310-8a92-e5e31aec5664