delete lazy code in viewmodels

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/ImageBrowserDemoViewModel.cs

@@ -6,8 +6,7 @@ namespace HandyControlDemo.ViewModel
 {
     public class ImageBrowserDemoViewModel
     {
-        public RelayCommand OpenImgCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() =>
-                new ImageBrowser(new Uri("pack://application:,,,/Resources/Img/1.jpg")).Show())).Value;
+        public RelayCommand OpenImgCmd => new(() =>
+            new ImageBrowser(new Uri("pack://application:,,,/Resources/Img/1.jpg")).Show());
     }
 }