Cleanup: Use `MapSystem.DeleteMap instead of IMapManager.DeleteMap in HandTests` (#35468)

* Cleanup

* Update

* Fix

Content.IntegrationTests/Tests/Hands/HandTests.cs

@@ -6,7 +6,6 @@ using Robust.Server.GameObjects;
 using Robust.Server.Player;
 using Robust.Shared.Containers;
 using Robust.Shared.GameObjects;
-using Robust.Shared.Map;
 
 namespace Content.IntegrationTests.Tests.Hands;
 
@@ -38,7 +37,7 @@ public sealed class HandTests
 
         var entMan = server.ResolveDependency<IEntityManager>();
         var playerMan = server.ResolveDependency<IPlayerManager>();
-        var mapMan = server.ResolveDependency<IMapManager>();
+        var mapSystem = server.System<SharedMapSystem>();
         var sys = entMan.System<SharedHandsSystem>();
         var tSys = entMan.System<TransformSystem>();
 
@@ -69,7 +68,7 @@ public sealed class HandTests
         await pair.RunTicksSync(5);
         Assert.That(hands.ActiveHandEntity, Is.Null);
 
-        await server.WaitPost(() => mapMan.DeleteMap(data.MapId));
+        await server.WaitPost(() => mapSystem.DeleteMap(data.MapId));
         await pair.CleanReturnAsync();
     }
 
@@ -87,7 +86,7 @@ public sealed class HandTests
 
         var entMan = server.ResolveDependency<IEntityManager>();
         var playerMan = server.ResolveDependency<IPlayerManager>();
-        var mapMan = server.ResolveDependency<IMapManager>();
+        var mapSystem = server.System<SharedMapSystem>();
         var sys = entMan.System<SharedHandsSystem>();
         var tSys = entMan.System<TransformSystem>();
         var containerSystem = server.System<SharedContainerSystem>();
@@ -134,7 +133,7 @@ public sealed class HandTests
         Assert.That(hands.ActiveHandEntity, Is.Not.EqualTo(item));
         Assert.That(containerSystem.IsInSameOrNoContainer((player, xform), (item, itemXform)));
 
-        await server.WaitPost(() => mapMan.DeleteMap(map.MapId));
+        await server.WaitPost(() => mapSystem.DeleteMap(map.MapId));
         await pair.CleanReturnAsync();
     }
 }