Because we HAVE to define Del() three times

/obj/item/device/gps/Del()
	GPS_list.Remove(src)
	..()
/obj/item/device/gps/Del()
	GPS_list.Remove(src)
	..()
/obj/item/device/gps/Del()
	GPS_list.Remove(src)
	..()
Merge pull request #4383 from Iamgoofball/master

Because we HAVE to define Del() three times