delete for update

git-svn-id: https://plugins.svn.wordpress.org/free-counter/trunk@844257 b8457f37-d9ea-0310-8a92-e5e31aec5664
update header information

git-svn-id: https://plugins.svn.wordpress.org/free-counter/trunk@844259 b8457f37-d9ea-0310-8a92-e5e31aec5664