Icon smoothing for asteroid rocks (#8058)

Co-authored-by: Tomeno <tomeno@lulzsec.co.uk>

Content.Client/Mining/AsteroidRockVisualizer.cs

@@ -1,39 +0,0 @@
-using Content.Shared.Mining;
-using JetBrains.Annotations;
-using Robust.Client.GameObjects;
-using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Serialization.Manager.Attributes;
-
-namespace Content.Client.Mining
-{
-    [UsedImplicitly]
-    public sealed class AsteroidRockVisualizer : AppearanceVisualizer
-    {
-        [DataField("layer")]
-        private int Layer { get; } = 0;
-
-        public override void InitializeEntity(EntityUid entity)
-        {
-            base.InitializeEntity(entity);
-
-            IoCManager.Resolve<IEntityManager>().GetComponentOrNull<SpriteComponent>(entity)?.LayerMapReserveBlank(Layer);
-        }
-
-        public override void OnChangeData(AppearanceComponent component)
-        {
-            base.OnChangeData(component);
-
-            if (!IoCManager.Resolve<IEntityManager>().TryGetComponent(component.Owner, out SpriteComponent? sprite))
-            {
-                return;
-            }
-
-            if (component.TryGetData(AsteroidRockVisuals.State, out string state))
-            {
-                sprite.LayerMapReserveBlank(Layer);
-                sprite.LayerSetState(0, state);
-            }
-        }
-    }
-}