removed redundant tags

git-svn-id: https://plugins.svn.wordpress.org/facebook-ads/trunk@1016292 b8457f37-d9ea-0310-8a92-e5e31aec5664
added the plugin tags again; wordpress seems to have loads of plugins with these tags

git-svn-id: https://plugins.svn.wordpress.org/facebook-ads/trunk@1016293 b8457f37-d9ea-0310-8a92-e5e31aec5664