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/modules/projectiles/ammunition/caseless/foam.dm

@@ -24,13 +24,13 @@
 
 /obj/item/ammo_casing/caseless/foam_dart/attackby(obj/item/A, mob/user, params)
 	var/obj/item/projectile/bullet/reusable/foam_dart/FD = BB
-	if(A.tool_behaviour == TOOL_SCREWDRIVER && !modified)
+	if (istype(A, /obj/item/screwdriver) && !modified)
 		modified = TRUE
 		FD.modified = TRUE
 		FD.damage_type = BRUTE
 		to_chat(user, "<span class='notice'>You pop the safety cap off [src].</span>")
 		update_icon()
-	else if(istype(A, /obj/item/pen))
+	else if (istype(A, /obj/item/pen))
 		if(modified)
 			if(!FD.pen)
 				harmful = TRUE

code/modules/projectiles/gun.dm

@@ -434,7 +434,7 @@
 		to_chat(user, "<span class='notice'>You attach \the [K] to the front of \the [src].</span>")
 		bayonet = K
 		update_icon()
-	else if(I.tool_behaviour == TOOL_SCREWDRIVER)
+	else if(istype(I, /obj/item/screwdriver))
 		if(gun_light)
 			var/obj/item/flashlight/seclite/S = gun_light
 			to_chat(user, "<span class='notice'>You unscrew the seclite from \the [src].</span>")