Remove old SceneGraph

Ghost.Editor.Core/SceneGraph/SceneGraphNode.cs

@@ -1,54 +0,0 @@
-using CommunityToolkit.Mvvm.ComponentModel;
-using System.Collections.ObjectModel;
-
-namespace Ghost.Editor.Core.SceneGraph;
-
-public enum SceneGraphNodeType
-{
-    Scene,
-    Entity,
-}
-
-public abstract partial class SceneGraphNode : ObservableObject
-{
-    public ObservableCollection<SceneGraphNode>? Children
-    {
-        get;
-        private set;
-    }
-
-    [ObservableProperty]
-    public partial string Name
-    {
-        get;
-        set;
-    }
-
-    public abstract SceneGraphNodeType NodeType
-    {
-        get;
-    }
-
-    public int ChildCount => Children?.Count ?? 0;
-
-    public virtual void AddChild(SceneGraphNode child)
-    {
-        Children ??= new();
-        Children.Add(child);
-    }
-
-    public virtual bool RemoveChild(SceneGraphNode child)
-    {
-        return Children?.Remove(child) ?? false;
-    }
-
-    public SceneGraphNode GetChild(int index)
-    {
-        if (Children == null || index < 0 || index >= Children.Count)
-        {
-            throw new ArgumentOutOfRangeException(nameof(index), "Index is out of range.");
-        }
-
-        return Children[index];
-    }
-}