Revert "Merge branch 'tool_behavior-replacing' of https://github.com/SandPoot/Citadel-Station-13 into tool_behavior-replacing"

This reverts commit 2e29f30fdf, reversing
changes made to 724910cfab.

code/game/objects/structures/fireaxe.dm

@@ -24,9 +24,9 @@
 	return ..()
 
 /obj/structure/fireaxecabinet/attackby(obj/item/I, mob/user, params)
-	if(iscyborg(user) || I.tool_behaviour == TOOL_MULTITOOL)
+	if(iscyborg(user) || istype(I, /obj/item/multitool))
 		toggle_lock(user)
-	else if(I.tool_behaviour == TOOL_WELDER && user.a_intent == INTENT_HELP && !broken)
+	else if(istype(I, /obj/item/weldingtool) && user.a_intent == INTENT_HELP && !broken)
 		if(obj_integrity < max_integrity)
 			if(!I.tool_start_check(user, amount=2))
 				return