Fix warnings in ShuttleSystem.GridFill.cs (#30253)

* Fix warnings in ShuttleSystem.GridFill.cs

* remove the thingie

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Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Shuttles/Systems/ShuttleSystem.cs

@@ -34,6 +34,7 @@ public sealed partial class ShuttleSystem : SharedShuttleSystem
     [Dependency] private readonly IComponentFactory _factory = default!;
     [Dependency] private readonly IConfigurationManager _cfg = default!;
     [Dependency] private readonly IGameTiming _gameTiming = default!;
+    [Dependency] private readonly MapSystem _mapSystem = default!;
     [Dependency] private readonly IMapManager _mapManager = default!;
     [Dependency] private readonly IPrototypeManager _protoManager = default!;
     [Dependency] private readonly IRobustRandom _random = default!;