Delete unused files

git-svn-id: https://plugins.svn.wordpress.org/multilingual-press/trunk@893679 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update stable tag to 2.0.1

git-svn-id: https://plugins.svn.wordpress.org/multilingual-press/trunk@893681 b8457f37-d9ea-0310-8a92-e5e31aec5664