Removed (probably) unused handler file

git-svn-id: https://plugins.svn.wordpress.org/paay/trunk@1031775 b8457f37-d9ea-0310-8a92-e5e31aec5664
Using new PAAY-JS-PLUGIN with WooCommerce

git-svn-id: https://plugins.svn.wordpress.org/paay/trunk@1031776 b8457f37-d9ea-0310-8a92-e5e31aec5664