delete files

git-svn-id: https://plugins.svn.wordpress.org/guiform/trunk@872412 b8457f37-d9ea-0310-8a92-e5e31aec5664
import

git-svn-id: https://plugins.svn.wordpress.org/guiform/trunk@872413 b8457f37-d9ea-0310-8a92-e5e31aec5664
import

git-svn-id: https://plugins.svn.wordpress.org/guiform/trunk@872414 b8457f37-d9ea-0310-8a92-e5e31aec5664
import

git-svn-id: https://plugins.svn.wordpress.org/guiform/trunk@872415 b8457f37-d9ea-0310-8a92-e5e31aec5664