Merge pull request #7554 from SamHPurp/more-qdel-nulls

Uses more QDEL_NULLs

code/modules/mob/living/silicon/robot/robot.dm

@@ -1205,13 +1205,11 @@ var/list/robot_verbs_default = list(
 	canmove = 1
 	scrambledcodes = 1
 	//Disconnect it's camera so it's not so easily tracked.
-	if(src.camera)
-		qdel(src.camera)
-		src.camera = null
-		// I'm trying to get the Cyborg to not be listed in the camera list
-		// Instead of being listed as "deactivated". The downside is that I'm going
-		// to have to check if every camera is null or not before doing anything, to prevent runtime errors.
-		// I could change the network to null but I don't know what would happen, and it seems too hacky for me.
+	QDEL_NULL(src.camera)
+	// I'm trying to get the Cyborg to not be listed in the camera list
+	// Instead of being listed as "deactivated". The downside is that I'm going
+	// to have to check if every camera is null or not before doing anything, to prevent runtime errors.
+	// I could change the network to null but I don't know what would happen, and it seems too hacky for me.
 
 /mob/living/silicon/robot/proc/ResetSecurityCodes()
 	set category = "Robot Commands"

code/modules/mob/living/simple_animal/bot/cleanbot.dm

@@ -167,9 +167,8 @@
 	mode = BOT_CLEANING
 	spawn(50)
 		if(mode == BOT_CLEANING)
-			qdel(target)
+			QDEL_NULL(target)
 			anchored = 0
-			target = null
 		mode = BOT_IDLE
 		icon_state = "cleanbot[on]"
 
@@ -222,4 +221,4 @@ text("<A href='?src=[UID()];power=1'>[on ? "On" : "Off"]</A>"))
 	if(istype(A,/obj/effect/decal/cleanable))
 		clean(A)
 	else
-		..()
+		..()