Adds generic damage visualizer to the game (#4893)

Content.Server/Window/WindowSystem.cs

@@ -1,19 +0,0 @@
-using Content.Shared.Damage;
-using Robust.Shared.GameObjects;
-
-namespace Content.Server.Window
-{
-    public class WindowSystem : EntitySystem
-    {
-        public override void Initialize()
-        {
-            base.Initialize();
-            SubscribeLocalEvent<WindowComponent, DamageChangedEvent>(UpdateVisuals);
-        }
-
-        public void UpdateVisuals(EntityUid _, WindowComponent component, DamageChangedEvent args)
-        {
-            component.UpdateVisuals(args.Damageable.TotalDamage);
-        }
-    }
-}