Fix decal error (#13471)

Fixes https://github.com/space-wizards/space-station-14/issues/13466

Content.Server/Decals/DecalSystem.cs

@@ -29,7 +29,6 @@ namespace Content.Server.Decals
         [Dependency] private readonly ChunkingSystem _chunking = default!;
         [Dependency] private readonly IConfigurationManager _conf = default!;
         [Dependency] private readonly IGameTiming _timing = default!;
-        [Dependency] private readonly IDependencyCollection _dependencies = default!;
 
         private readonly Dictionary<EntityUid, HashSet<Vector2i>> _dirtyChunks = new();
         private readonly Dictionary<IPlayerSession, Dictionary<EntityUid, HashSet<Vector2i>>> _previousSentChunks = new();