Fixes a bug involving a map template resetting the map loader's

progress

code/modules/lighting/lighting_overlay.dm

@@ -9,6 +9,7 @@
 	invisibility = INVISIBILITY_LIGHTING
 	color = "#000000"
 	icon_state = "light1"
+	auto_init = 0 // doesn't need special init
 
 	var/lum_r
 	var/lum_g
@@ -104,4 +105,4 @@
 	if(istype(T))
 		T.lighting_overlay = null
 
-	return ..()
+	return ..()