Remove obsolete guardedHandlers code. guardedHandlers was removed in bug 1228841.
Remove obsolete guardedHandlers code. guardedHandlers was removed in bug 1228841.

bill-mccloskey/searchfox,bill-mccloskey/searchfox,bill-mccloskey/searchfox,bill-mccloskey/searchfox,bill-mccloskey/searchfox,bill-mccloskey/searchfox