deleted readme.txt

git-svn-id: https://plugins.svn.wordpress.org/wp-remove-css-js/trunk@813864 b8457f37-d9ea-0310-8a92-e5e31aec5664
added readme.txt

git-svn-id: https://plugins.svn.wordpress.org/wp-remove-css-js/trunk@813867 b8457f37-d9ea-0310-8a92-e5e31aec5664