HOTFIX Revert #38004 : Change C-4 back to syndicate contraband (#38177)

* Revert "Made C-4 Major contraband instead of syndicate contraband (#38004)"

This reverts commit 0a565469c7.

* remove changelog

Resources/Changelog/Changelog.yml

@@ -3773,13 +3773,6 @@
   id: 8597
   time: '2025-06-01T15:48:16.0000000+00:00'
   url: https://github.com/space-wizards/space-station-14/pull/38000
-- author: ToastEnjoyer
-  changes:
-  - message: C-4 is now listed under major contraband instead of syndicate.
-    type: Tweak
-  id: 8598
-  time: '2025-06-01T21:09:16.0000000+00:00'
-  url: https://github.com/space-wizards/space-station-14/pull/38004
 - author: chromiumboy
   changes:
   - message: Atmospheric pipes can now be built on three different sublayers, allowing

Resources/Prototypes/Entities/Objects/Weapons/Bombs/plastic.yml

@@ -38,7 +38,7 @@
 - type: entity
   name: composition C-4
   description: Used to put holes in specific areas without too much extra hole. A saboteur's favorite.
-  parent: [BasePlasticExplosive, BaseMajorContraband]
+  parent: [BasePlasticExplosive, BaseSyndicateContraband]
   id: C4
   components:
   - type: Sprite