Remove all Assigned Values that are Never Used (#30110)

Remove all Assigned Values that are never used

Content.Shared/Movement/Pulling/Systems/PullingSystem.cs

@@ -43,7 +43,6 @@ public sealed class PullingSystem : EntitySystem
     [Dependency] private readonly SharedHandsSystem _handsSystem = default!;
     [Dependency] private readonly SharedInteractionSystem _interaction = default!;
     [Dependency] private readonly SharedPhysicsSystem _physics = default!;
-    [Dependency] private readonly SharedPopupSystem _popup = default!;
     [Dependency] private readonly HeldSpeedModifierSystem _clothingMoveSpeed = default!;
 
     public override void Initialize()