[MIRROR] Fixed spies having a duplicate elite syndicate modsuit (#2580)

* Fixed spies having a duplicate elite syndicate modsuit (#83336)

## About The Pull Request
As the title says.
These are the uplink items exclusive to traitor uplinks. Spies already
get a variant of the hardsuit based on the nukie variant of this uplink
item.

## Why It's Good For The Game
An uplink should have access to one or the other, not both.

## Changelog
:cl:
fix: Fixed spies having a slightly increased chance of getting a
different cost model for the elite syndicate hardsuit
/:cl:

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Co-authored-by: Watermelon914 <[email protected]>

* Fixed spies having a duplicate elite syndicate modsuit

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Co-authored-by: Watermelon914 <[email protected]>
Co-authored-by: Watermelon914 <[email protected]>
Co-authored-by: NovaBot13 <[email protected]>

code/modules/uplink/uplink_items/suits.dm

@@ -70,6 +70,6 @@
 			provides the user with superior armor and mobility compared to the standard Syndicate MODsuit."
 	item = /obj/item/mod/control/pre_equipped/traitor_elite
 	// This one costs more than the nuke op counterpart
-	purchasable_from = ~(UPLINK_NUKE_OPS | UPLINK_CLOWN_OPS)
+	purchasable_from = ~(UPLINK_NUKE_OPS | UPLINK_CLOWN_OPS | UPLINK_SPY)
 	progression_minimum = 90 MINUTES
 	cost = 16