Collapse dmms (#19698)

Collapsed all the multi-z dmm maps into single-file dmms
Moved some of the map geometry into traits

code/modules/admin/secrets/fun_secrets/ghost_mode.dm

@@ -30,7 +30,7 @@
 					step_rand(W)
 
 			var/area/A = get_area(M)
-			if(A.requires_power && !A.always_unpowered && A.power_light && isPlayerLevel(A.z))
+			if(A.requires_power && !A.always_unpowered && A.power_light && !is_centcom_level(A.z) && !is_reserved_level(A.z))
 				affected_areas |= get_area(M)
 
 	affected_mobs |= user

code/modules/admin/verbs/diagnostics.dm

@@ -17,7 +17,7 @@
 	var/inactive_on_main_station = 0
 	for(var/zone/zone in SSair.zones)
 		var/turf/simulated/turf = locate() in zone.contents
-		if(turf && isStationLevel(turf.z))
+		if(turf && is_station_level(turf.z))
 			if(zone.needs_update)
 				active_on_main_station++
 			else