delete files

git-svn-id: https://plugins.svn.wordpress.org/yuzo-related-post/trunk@947315 b8457f37-d9ea-0310-8a92-e5e31aec5664
add files plugin

git-svn-id: https://plugins.svn.wordpress.org/yuzo-related-post/trunk@947316 b8457f37-d9ea-0310-8a92-e5e31aec5664