[Tizen] Handle ContentViews and templated content in new layout system

src/Core/src/Handlers/Page/PageHandler.Tizen.cs

@@ -1,4 +1,4 @@
-using Tizen.UIExtensions.Common;
+using Tizen.UIExtensions.Common;
 using EColor = ElmSharp.Color;
 
 namespace Microsoft.Maui.Handlers
@@ -28,29 +28,6 @@ protected override ContentCanvas CreatePlatformView()
 
  public override void NativeArrange(Graphics.Rectangle frame)
  {
- // empty on purpose
- }
-
- void UpdateContent()
- {
- _ = NativeView ?? throw new InvalidOperationException($"{nameof(NativeView)} should have been set by base class.");
- _ = VirtualView ?? throw new InvalidOperationException($"{nameof(VirtualView)} should have been set by base class.");
- _ = MauiContext ?? throw new InvalidOperationException($"{nameof(MauiContext)} should have been set by base class.");
-
- NativeView.Children.Clear();
- _contentHandler?.Dispose();
- _contentHandler = null;
-
- if (VirtualView is IContentView cv && cv.Content is IView view)
- {
- NativeView.Children.Add(view.ToNative(MauiContext));
-
- if (view.Handler is INativeViewHandler thandler)
- {
- thandler?.SetParent(this);
- _contentHandler = thandler;
- }
- }
  }
  }
 }