Deleting old file

git-svn-id: https://plugins.svn.wordpress.org/category-widget/trunk@883661 b8457f37-d9ea-0310-8a92-e5e31aec5664
Category Widget version 1.5.1 updated -> New feature : Sort post by post modified

git-svn-id: https://plugins.svn.wordpress.org/category-widget/trunk@883663 b8457f37-d9ea-0310-8a92-e5e31aec5664