remove lock code.

samples/ControlCatalog.Web/App.razor.cs

@@ -6,11 +6,8 @@ public partial class App
 {
     protected override void OnParametersSet()
     {
+        BlazorSingleViewLifetimeExtensions.SetupWithBlazorSingleViewLifetime<ControlCatalog.App>();
+
         base.OnParametersSet();
-        
-        using (AvaloniaBlazor.Lock())
-        {
-            BlazorSingleViewLifetimeExtensions.SetupWithBlazorSingleViewLifetime<ControlCatalog.App>();
-        }
     }
-}
+}

src/Web/Avalonia.Blazor/AvaloniaBlazor.cs

@@ -1,9 +0,0 @@
-using System;
-
-namespace Avalonia.Blazor
-{
-    public static class AvaloniaBlazor
-    {
-        public static IDisposable Lock() => BlazorWindowingPlatform.Lock();
-    }
-}