Remove dodgy link

git-svn-id: https://plugins.svn.wordpress.org/wordpress-backup-to-dropbox/trunk@774267 b8457f37-d9ea-0310-8a92-e5e31aec5664
Remove dodgy link

git-svn-id: https://plugins.svn.wordpress.org/wordpress-backup-to-dropbox/trunk@774270 b8457f37-d9ea-0310-8a92-e5e31aec5664