Removes Courier backpacks. (#1988)

* Macerates the Courier bags.

* Removes prototype file

Resources/Prototypes/Entities/Clothing/Back/courier.yml

@@ -1,149 +0,0 @@
-- type: entity
-  parent: BackpackClothing
-  id: MessengerBag
-  name: messenger bag
-  description: A sturdy backpack worn over one shoulder.
-  components:
-  - type: Sprite
-    sprite: Clothing/Back/Couriers/courier.rsi
-    state: courier
-  - type: Icon
-    sprite: Clothing/Back/Couriers/courier.rsi
-    state: courier
-  - type: Clothing
-    sprite: Clothing/Back/Couriers/courier.rsi
-    ClothingPrefix: courier
-
-- type: entity
-  parent: BackpackClothing
-  id: MessengerBagChemistry
-  name: chemistry messenger bag
-  description: A sterile backpack worn over one shoulder, in Chemistry colors.
-  components:
-  - type: Sprite
-    sprite: Clothing/Back/Couriers/courier_chemistry.rsi
-    state: courier-chemistry
-  - type: Icon
-    sprite: Clothing/Back/Couriers/courier_chemistry.rsi
-    state: courier-chemistry
-  - type: Clothing
-    sprite: Clothing/Back/Couriers/courier_chemistry.rsi
-    HeldPrefix: medical
-    ClothingPrefix: courier-chemistry
-
-- type: entity
-  parent: BackpackClothing
-  id: MessengerBagMedical
-  name: medical messenger bag
-  description: A sterile backpack worn over one shoulder used in medical departments.
-  components:
-  - type: Sprite
-    sprite: Clothing/Back/Couriers/courier_medical.rsi
-    state: courier-medical
-  - type: Icon
-    sprite: Clothing/Back/Couriers/courier_medical.rsi
-    state: courier-medical
-  - type: Clothing
-    sprite: Clothing/Back/Couriers/courier_medical.rsi
-    HeldPrefix: medical
-    ClothingPrefix: courier-medical
-
-- type: entity
-  parent: BackpackClothing
-  id: MessengerBagVirology
-  name: virology messenger bag
-  description: A sterile backpack worn over one shoulder. This one is in Virology colors.
-  components:
-  - type: Sprite
-    sprite: Clothing/Back/Couriers/courier_virology.rsi
-    state: courier-virology
-  - type: Icon
-    sprite: Clothing/Back/Couriers/courier_virology.rsi
-    state: courier-virology
-  - type: Clothing
-    sprite: Clothing/Back/Couriers/courier_virology.rsi
-    HeldPrefix: medical
-    ClothingPrefix: courier-virology
-
-- type: entity
-  parent: BackpackClothing
-  id: MessengerBagEngineering
-  name: engineering messenger bag
-  description: A strong backpack worn over one shoulder. This one is designed for Industrial work.
-  components:
-  - type: Sprite
-    sprite: Clothing/Back/Couriers/courier_engineering.rsi
-    state: courier-engineering
-  - type: Icon
-    sprite: Clothing/Back/Couriers/courier_engineering.rsi
-    state: courier-engineering
-  - type: Clothing
-    sprite: Clothing/Back/Couriers/courier_engineering.rsi
-    HeldPrefix: engineering
-    ClothingPrefix: courier-engineering
-
-- type: entity
-  parent: BackpackClothing
-  id: MessengerBagScience
-  name: science messenger bag
-  description: A sterile backpack worn over one shoulder used in scientific departments.
-  components:
-  - type: Sprite
-    sprite: Clothing/Back/Couriers/courier_science.rsi
-    state: courier-science
-  - type: Icon
-    sprite: Clothing/Back/Couriers/courier_science.rsi
-    state: courier-science
-  - type: Clothing
-    sprite: Clothing/Back/Couriers/courier_science.rsi
-    ClothingPrefix: courier-science
-
-- type: entity
-  parent: BackpackClothing
-  id: MessengerBagCaptain
-  name: captain's messenger bag
-  description: A special backpack worn over one shoulder. This one is made specifically for officers.
-  components:
-  - type: Sprite
-    sprite: Clothing/Back/Couriers/courier_captain.rsi
-    state: courier-captain
-  - type: Icon
-    sprite: Clothing/Back/Couriers/courier_captain.rsi
-    state: courier-captain
-  - type: Clothing
-    sprite: Clothing/Back/Couriers/courier_captain.rsi
-    HeldPrefix: captain
-    ClothingPrefix: courier-captain
-
-- type: entity
-  parent: BackpackClothing
-  id: MessengerBagHydroponics
-  name: hydroponics messenger bag
-  description: A backpack worn over one shoulder. This one is designed for plant-related work.
-  components:
-  - type: Sprite
-    sprite: Clothing/Back/Couriers/courier_hydroponics.rsi
-    state: courier-hydroponics
-  - type: Icon
-    sprite: Clothing/Back/Couriers/courier_hydroponics.rsi
-    state: courier-hydroponics
-  - type: Clothing
-    sprite: Clothing/Back/Couriers/courier_hydroponics.rsi
-    ClothingPrefix: courier-hydroponics
-
-- type: entity
-  parent: BackpackClothing
-  id: MessengerBagSecurity
-  name: security messenger bag
-  description: A tactical backpack worn over one shoulder. This one is in Security colors.
-  components:
-  - type: Sprite
-    sprite: Clothing/Back/Couriers/courier_security.rsi
-    state: courier-security
-  - type: Icon
-    sprite: Clothing/Back/Couriers/courier_security.rsi
-    state: courier-security
-  - type: Clothing
-    sprite: Clothing/Back/Couriers/courier_security.rsi
-    HeldPrefix: security
-    ClothingPrefix: courier-security