Fixes outdoor platings

Phororeagent fixes

code/modules/reagents/Chemistry-Holder.dm

@@ -157,6 +157,7 @@
 /datum/reagents/proc/del_reagent(var/id)
 	for(var/datum/reagent/current in reagent_list)
 		if (current.id == id)
+			current.on_remove(my_atom) //YW Edit: Calls on_remove before the last of the thing is done, used in phorochemistry
 			reagent_list -= current
 			qdel(current)
 			update_total()