unregistration MDL-22956 force unregistration/clean data try a last chance ws call (even though it should also fail) to unregister from the hub. This is implemented in case a site admin recieved a spam email and did "naively" the unregistration.
unregistration MDL-22956 force unregistration/clean data try a last chance ws call (even though it should also fail) to unregister from the hub. This is implemented in case a site admin recieved a spam email and did "naively" the unregistration.

dilawar/moodle