Removes A Single Zero (#75)

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## About The Pull Request

SBAW 20 Mil beanbag costs 5000 material why?

EXTRA ZERO!

## Changelog
:cl:
fix: Fixes SBAW beanbag cost
/:cl:

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code/game/machinery/autolathe/fabricators.dm

@@ -248,7 +248,7 @@
 			list(name="Loader Tube (20mm Empty)", cost = 250, path=/obj/item/ammo_magazine/speed_loader_shotgun/empty),
 			list(name="SBAW Magazine (20mm Sabot Slug)", cost=600, path=/obj/item/ammo_magazine/sbaw),
 			list(name="SBAW Magazine (20mm Buckshot)", cost=600, path=/obj/item/ammo_magazine/sbaw/pellet),
-			list(name="SBAW Magazine (20mm Beanbag)", cost=5000, path=/obj/item/ammo_magazine/sbaw/beanbag),
+			list(name="SBAW Magazine (20mm Beanbag)", cost=500, path=/obj/item/ammo_magazine/sbaw/beanbag),
 			//list(name="SBAW Magazine (20mm HEFI)", cost=2600, path=/obj/item/ammo_magazine/sbaw/he),
 			list(name="SBAW Magazine (20mm Empty)", cost=400, path=/obj/item/ammo_magazine/sbaw/empty),
 			list(name="Ammo Drum (20mm Sabot slug)", cost=850, path=/obj/item/ammo_magazine/m12),