deleting old


git-svn-id: https://plugins.svn.wordpress.org/article-difficulty-level/trunk@797599 b8457f37-d9ea-0310-8a92-e5e31aec5664
file added

git-svn-id: https://plugins.svn.wordpress.org/article-difficulty-level/trunk@797600 b8457f37-d9ea-0310-8a92-e5e31aec5664
old del

git-svn-id: https://plugins.svn.wordpress.org/article-difficulty-level/trunk@797602 b8457f37-d9ea-0310-8a92-e5e31aec5664
new added

git-svn-id: https://plugins.svn.wordpress.org/article-difficulty-level/trunk@797603 b8457f37-d9ea-0310-8a92-e5e31aec5664