removes silly garbage defines

code/modules/shuttle/on_move.dm

@@ -209,9 +209,9 @@ All ShuttleMove procs go here
 /obj/machinery/atmospherics/afterShuttleMove(turf/oldT, list/movement_force, shuttle_dir, shuttle_preferred_direction, move_dir, rotation)
 	. = ..()
 	var/missing_nodes = FALSE
-	for(DEVICE_TYPE_LOOP)
-		if(src.nodes[I])
-			var/obj/machinery/atmospherics/node = src.nodes[I]
+	for(var/i in 1 to device_type)
+		if(nodes[i])
+			var/obj/machinery/atmospherics/node = nodes[i]
 			var/connected = FALSE
 			for(var/D in GLOB.cardinals)
 				if(node in get_step(src, D))
@@ -219,9 +219,9 @@ All ShuttleMove procs go here
 					break
 
 			if(!connected)
-				nullifyNode(I)
+				nullifyNode(i)
 
-		if(!src.nodes[I])
+		if(!nodes[i])
 			missing_nodes = TRUE
 
 	if(missing_nodes)