remove deleted files

git-svn-id: https://plugins.svn.wordpress.org/podlove-podcasting-plugin-for-wordpress/trunk@979164 b8457f37-d9ea-0310-8a92-e5e31aec5664
release

git-svn-id: https://plugins.svn.wordpress.org/podlove-podcasting-plugin-for-wordpress/trunk@979169 b8457f37-d9ea-0310-8a92-e5e31aec5664