Remove the voodoo doll (#57780)

A clunky to use grief tool that is near exclusively used to just make
people say slurs and WGW and copypastas and rule breaking stuff and
yadda yadda.

code/modules/mining/lavaland/necropolis_chests.dm

@@ -69,15 +69,13 @@
 		if(16)
 			new /obj/item/immortality_talisman(src)
 		if(17)
-			new /obj/item/voodoo(src)
-		if(18)
 			new /obj/item/book/granter/spell/summonitem(src)
-		if(19)
+		if(18)
 			new /obj/item/book_of_babel(src)
-		if(20)
+		if(19)
 			new /obj/item/borg/upgrade/modkit/lifesteal(src)
 			new /obj/item/bedsheet/cult(src)
-		if(21)
+		if(20)
 			new /obj/item/clothing/neck/necklace/memento_mori(src)
 	spawned_loot = TRUE
 	qdel(item)