Deletes an existing world license.
AW_CALLBACK_LICENSE_RESULT
Only instances owned by the root account (citizen #1) may use aw_license_delete.
int rc;
if (rc = aw_license_delete ("aw"))
printf ("Unable to delete license (reason %d)\n", rc);
else
puts ("License deleted");
aw_license_add
aw_license_attributes
aw_license_change
aw_license_next
aw_license_previous