Improves/fixes surplus crate item selection

code/datums/uplink/ammunition.dm

@@ -4,6 +4,7 @@
 /datum/uplink_item/item/ammo
 	item_cost = 20
 	category = /datum/uplink_category/ammunition
+	blacklisted = 1
 
 /datum/uplink_item/item/ammo/a357
 	name = ".357 Speedloader"

code/datums/uplink/announcements.dm

@@ -3,6 +3,7 @@
 *****************/
 /datum/uplink_item/abstract/announcements
 	category = /datum/uplink_category/services
+	blacklisted = 1
 
 /datum/uplink_item/abstract/announcements/buy(var/obj/item/device/uplink/U, var/mob/user)
 	. = ..()

code/datums/uplink/badassery.dm

@@ -19,6 +19,7 @@
 /datum/uplink_item/item/badassery/random_one
 	name = "Random Item"
 	desc = "Buys you one random item."
+	blacklisted = 1
 
 /datum/uplink_item/item/badassery/random_one/buy(var/obj/item/device/uplink/U, var/mob/user)
 	var/datum/uplink_item/item = default_uplink_selection.get_random_item(U.uses)