Removes unnecessary CSS

git-svn-id: https://plugins.svn.wordpress.org/jetpack-non-admin-removal/trunk@902938 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version 3.0.0

git-svn-id: https://plugins.svn.wordpress.org/jetpack-non-admin-removal/trunk@902940 b8457f37-d9ea-0310-8a92-e5e31aec5664