Pulling rework (#20906)

* Pulling rework

Fixing up the FOUR systems managing pulling, all the shitcode, and also making it nicer ingame.

* More pulling cleanup

* stats

* More cleanup

* First draft

* More pulling

* weh

* Fix puller

* Pulling working

* Fix merge

* Dunked

* Self-merge time

Content.Client/Pulling/PullingSystem.cs

@@ -1,21 +0,0 @@
-using Content.Shared.Pulling;
-using Content.Shared.Pulling.Components;
-using JetBrains.Annotations;
-using Robust.Client.Physics;
-
-namespace Content.Client.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);
-        }
-    }
-}