Adds TimedDespawn component to Invisible Walls, nukes DeleteAfterTime (#8528)

* Adds TimedDelete component to Invisible Walls

* Removes Delete After Time

Content.Server/Delete/DeleteAfterTimeComponent.cs

@@ -1,15 +0,0 @@
-namespace Content.Server.Delete
-{
-    /// <summary>
-    /// Deletes the entity after the specified period of time.
-    /// </summary>
-    [RegisterComponent]
-    public sealed class DeleteAfterTimeComponent : Component
-    {
-        [ViewVariables(VVAccess.ReadWrite), DataField("accumulator")]
-        public float Accumulator = 0f;
-
-        [ViewVariables(VVAccess.ReadWrite), DataField("despawnTime")]
-        public TimeSpan DespawnTime = TimeSpan.FromSeconds(30);
-    }
-}

Content.Server/Delete/DeleteAfterTimeSystem.cs

@@ -1,18 +0,0 @@
-namespace Content.Server.Delete;
-
-public sealed class DeleteAfterTimeSystem : EntitySystem
-{
-    public override void Update(float frameTime)
-    {
-        base.Update(frameTime);
-
-        foreach (var comp in EntityQuery<DeleteAfterTimeComponent>())
-        {
-            comp.Accumulator += frameTime;
-            if (comp.Accumulator < comp.DespawnTime.TotalSeconds)
-                continue;
-
-            QueueDel(comp.Owner);
-        }
-    }
-}

Resources/Prototypes/Entities/Structures/Walls/walls.yml

@@ -697,8 +697,8 @@
   id: WallInvisible
   name: Invisible Wall
   components:
-  - type: DeleteAfterTime
-    despawnTime: 30
+  - type: TimedDespawn
+    lifetime: 30
   - type: Tag
     tags:
       - Wall