Lava is no longer a plating subtype (#2138)

code/modules/ruins/objects_and_mobs/necropolis_gate.dm

@@ -258,7 +258,7 @@ GLOBAL_DATUM(necropolis_gate, /obj/structure/necropolis_gate/legion_gate)
 	if(falling || fallen)
 		return
 	var/turf/T = get_turf(src)
-	if(!istype(T, /turf/open/floor/plating/lava) && !istype(T, /turf/open/chasm)) //nothing to sink or fall into
+	if(!istype(T, /turf/open/lava) && !istype(T, /turf/open/chasm)) //nothing to sink or fall into
 		return
 	var/obj/item/I
 	if(istype(AM, /obj/item))

code/modules/ruins/objects_and_mobs/ruin_mapping_aids.dm

@@ -4,7 +4,8 @@
 	name = "lava baseturf editor"
 	icon = 'icons/obj/weapons.dmi'
 	icon_state = "syndballoon"
-	var/baseturf = /turf/open/floor/plating/lava/smooth/lava_land_surface
+	var/baseturf = /turf/open/lava/smooth/lava_land_surface
+	layer = POINT_LAYER
 
 /obj/effect/baseturf_helper/Initialize()
 	. = ..()