Removes unintended extra storage G8 from jackets (#3743)

# About the pull request

Removes the G8 pouch storage for survivor jackets on some maps that was
unintended.

# Explain why it's good for the game

Cuts some exploits/circumnavigation of storage balance that were
unintended on snow maps.

# Changelog

:cl:
balance: Removed G8A storage from various snow suits and parkas
/:cl:

code/modules/clothing/suits/labcoat.dm

@@ -221,7 +221,6 @@
 		/obj/item/explosive/grenade,
 		/obj/item/device/binoculars,
 		/obj/item/attachable/bayonet,
-		/obj/item/storage/backpack/general_belt,
 		/obj/item/storage/large_holster/machete,
 		/obj/item/weapon/baseballbat,
 		/obj/item/weapon/baseballbat/metal,
@@ -289,7 +288,6 @@
 		/obj/item/explosive/grenade,
 		/obj/item/device/binoculars,
 		/obj/item/attachable/bayonet,
-		/obj/item/storage/backpack/general_belt,
 		/obj/item/storage/large_holster/machete,
 		/obj/item/weapon/baseballbat,
 		/obj/item/weapon/baseballbat/metal,