Remove unused IoC dependency references. (#31704)

Remove unused IoC dependencies

Content.Client/Clothing/ClientClothingSystem.cs

@@ -50,7 +50,6 @@ public sealed class ClientClothingSystem : ClothingSystem
     };
 
     [Dependency] private readonly IResourceCache _cache = default!;
-    [Dependency] private readonly ISerializationManager _serialization = default!;
     [Dependency] private readonly InventorySystem _inventorySystem = default!;
     [Dependency] private readonly DisplacementMapSystem _displacement = default!;