Disposal units nullspace their contents on cultify()

Created by: gbasood

/obj/machinery/cultify()
    var/list/random_structure = list(
        /obj/structure/cult/talisman,
        /obj/structure/cult/forge,
        /obj/structure/cult/tome
        )
    var/I = pick(random_structure)
    new I(loc)
    ..()

/obj/proc/cultify()
    qdel(src)