Reduces the change to a single var

code/modules/awaymissions/maploader/reader.dm

@@ -41,11 +41,9 @@ var/global/dmm_suite/preloader/_preloader = new
 	var/list/grid_models = list()
 	var/key_len = 0
 
-	var/dmm_suite/loaded_map/LM = new
-
-	LM.index = 1
-	while(dmmRegex.Find(tfile, LM.index))
-		LM.index = dmmRegex.next
+	var/stored_index = 1
+	while(dmmRegex.Find(tfile, stored_index))
+		stored_index = dmmRegex.next
 
 		// "aa" = (/type{vars=blah})
 		if(dmmRegex.group[1]) // Model
@@ -134,8 +132,6 @@ var/global/dmm_suite/preloader/_preloader = new
 
 		CHECK_TICK
 
-	qdel(LM)
-
 	if(bounds[1] == 1.#INF) // Shouldn't need to check every item
 		return null
 	else
@@ -400,10 +396,6 @@ var/global/dmm_suite/preloader/_preloader = new
 		what.vars[attribute] = value
 	use_preloader = FALSE
 
-/dmm_suite/loaded_map
-	parent_type = /datum
-	var/index = 1 // To store the state of the regex
-
 /area/template_noop
 	name = "Area Passthrough"