Signal Handler Preperation (#17681)

* FIrst pass

* signal handler only on base proc

* missing signal_handlers

* windoor to timers

* Testing a really dumb fix

code/modules/assembly/holder.dm

@@ -71,7 +71,6 @@
 		sense_proximity(callback = TYPE_PROC_REF(/atom,HasProximity))
 
 /obj/item/assembly_holder/HasProximity(turf/T, datum/weakref/WF, old_loc)
-	SIGNAL_HANDLER
 	if(isnull(WF))
 		return
 	var/atom/movable/AM = WF.resolve()

code/modules/assembly/proximity.dm

@@ -33,7 +33,6 @@
 	return secured
 
 /obj/item/assembly/prox_sensor/HasProximity(turf/T, datum/weakref/WF, old_loc)
-	SIGNAL_HANDLER
 	if(isnull(WF))
 		return
 	var/atom/movable/AM = WF.resolve()