[GBP: NO UPDATE] Remove alien nest bitmasking properties (#17355)

code/game/objects/structures/stool_bed_chair_nest/alien_nests.dm

@@ -4,13 +4,9 @@
 	name = "alien nest"
 	desc = "It's a gruesome pile of thick, sticky resin shaped like a nest."
 	icon = 'icons/mob/alien.dmi'
-	icon_state = "nest-0"
-	base_icon_state = "nest"
+	icon_state = "nest"
 	max_integrity = 120
 	var/image/nest_overlay
-	smoothing_flags = SMOOTH_BITMASK
-	smoothing_groups = list(SMOOTH_GROUP_ALIEN_NEST)
-	canSmoothWith = list(SMOOTH_GROUP_ALIEN_NEST)
 	comfort = 0
 	flags = NODECONSTRUCT