Fix floors under rocky motel false rocks (#27510)

_maps/map_files/RandomRuins/SpaceRuins/rocky_motel.dmm

@@ -314,7 +314,7 @@
 /obj/structure/cable{
 	icon_state = "1-2"
 	},
-/turf/space,
+/turf/simulated/floor/plating/asteroid/airless,
 /area/ruin/space/powered)
 "Il" = (
 /obj/machinery/atmospherics/pipe/simple/hidden,
@@ -357,10 +357,6 @@
 /obj/structure/rack,
 /turf/simulated/floor/carpet/black,
 /area/ruin/space/powered)
-"Px" = (
-/obj/structure/falsewall/rock_ancient,
-/turf/space,
-/area/ruin/space/powered)
 "PM" = (
 /turf/simulated/floor/plating/asteroid/airless,
 /area/ruin/space/powered)
@@ -992,7 +988,7 @@ vN
 Ya
 Ya
 PM
-Px
+ph
 Ya
 vN
 vN