delete this one

git-svn-id: https://plugins.svn.wordpress.org/simple-header-modification/trunk@914149 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme now 

git-svn-id: https://plugins.svn.wordpress.org/simple-header-modification/trunk@914152 b8457f37-d9ea-0310-8a92-e5e31aec5664