Remove unused IoC dependency references. (#31704)

Remove unused IoC dependencies

Content.Server/Shuttles/Systems/EmergencyShuttleSystem.cs

@@ -57,7 +57,6 @@ public sealed partial class EmergencyShuttleSystem : EntitySystem
     [Dependency] private readonly CommunicationsConsoleSystem _commsConsole = default!;
     [Dependency] private readonly DeviceNetworkSystem _deviceNetworkSystem = default!;
     [Dependency] private readonly DockingSystem _dock = default!;
-    [Dependency] private readonly EntityManager _entityManager = default!;
     [Dependency] private readonly IdCardSystem _idSystem = default!;
     [Dependency] private readonly NavMapSystem _navMap = default!;
     [Dependency] private readonly MapLoaderSystem _map = default!;