Remove unused dependencies (#19490)

Content.Shared/Throwing/ThrownItemSystem.cs

@@ -19,7 +19,6 @@ namespace Content.Shared.Throwing
     {
         [Dependency] private readonly ISharedAdminLogManager _adminLogger = default!;
         [Dependency] private readonly SharedBroadphaseSystem _broadphase = default!;
-        [Dependency] private readonly SharedContainerSystem _containerSystem = default!;
         [Dependency] private readonly FixtureSystem _fixtures = default!;
         [Dependency] private readonly SharedPhysicsSystem _physics = default!;