Emergency revert for pulling (#24923)

Revert "Pulling rework (#20906)"

This reverts commit 0d8254b2a2.

Content.Server/Pulling/PullingSystem.cs

@@ -0,0 +1,48 @@
+using Content.Shared.Input;
+using Content.Shared.Pulling;
+using Content.Shared.Pulling.Components;
+using JetBrains.Annotations;
+using Robust.Server.GameObjects;
+using Robust.Shared.Input.Binding;
+using Robust.Shared.Player;
+
+namespace Content.Server.Pulling
+{
+    [UsedImplicitly]
+    public sealed class PullingSystem : SharedPullingSystem
+    {
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            UpdatesAfter.Add(typeof(PhysicsSystem));
+
+            SubscribeLocalEvent<SharedPullableComponent, PullableMoveMessage>(OnPullableMove);
+            SubscribeLocalEvent<SharedPullableComponent, PullableStopMovingMessage>(OnPullableStopMove);
+
+            CommandBinds.Builder
+                .Bind(ContentKeyFunctions.ReleasePulledObject, InputCmdHandler.FromDelegate(HandleReleasePulledObject))
+                .Register<PullingSystem>();
+        }
+
+        private void HandleReleasePulledObject(ICommonSession? session)
+        {
+            if (session?.AttachedEntity is not {Valid: true} player)
+            {
+                return;
+            }
+
+            if (!TryGetPulled(player, out var pulled))
+            {
+                return;
+            }
+
+            if (!EntityManager.TryGetComponent(pulled.Value, out SharedPullableComponent? pullable))
+            {
+                return;
+            }
+
+            TryStopPull(pullable);
+        }
+    }
+}