* fix orphan v_ring_group_users after deleting ring group
steps to test:
create a ring group with one extension and one user. This will add one user to v_ring_group_users. Delete the ring group.
expected result:
ring group and all it's components are deleted
actual result
v_ring_group_user entry for this ring group is not deleted.
This fix: deletes v_ring_group_user when ring group is deleted.
* Update ring_group_delete.php
* Update ring_group_delete.php
Remove the hidden spaces