Refactored material definitions a little bit, removed all bananium from the codebase.

code/game/objects/structures/crates_lockers/closets/syndicate.dm

@@ -124,7 +124,6 @@
 		/obj/item/stack/sheet/mineral/phoron,
 		/obj/item/stack/sheet/mineral/uranium,
 		/obj/item/stack/sheet/mineral/diamond,
-		/obj/item/stack/sheet/mineral/clown,
 		/obj/item/stack/sheet/plasteel,
 		/obj/item/stack/rods
 		)

code/game/objects/structures/false_walls.dm

@@ -326,13 +326,6 @@
 	icon_state = ""
 	mineral = "phoron"
 
-//-----------wtf?-----------start
-/obj/structure/falsewall/clown
-	name = "bananium wall"
-	desc = "A wall with bananium plating. Honk!"
-	icon_state = ""
-	mineral = "clown"
-
 /obj/structure/falsewall/sandstone
 	name = "sandstone wall"
 	desc = "A wall with sandstone plating."