Address copilot suggestion and remove vb sample

Author: alvinashcraft

hub/apps/develop/launch/handle-uri-activation.md

@@ -97,17 +97,6 @@ public partial class App
 }
 ```
 
-```vb
-Protected Overrides Sub OnActivated(ByVal args As Windows.ApplicationModel.Activation.IActivatedEventArgs)
-   If args.Kind = ActivationKind.Protocol Then
-      ProtocolActivatedEventArgs eventArgs = args As ProtocolActivatedEventArgs
-      
-      ' TODO: Handle URI activation
-      ' The received URI is eventArgs.Uri.AbsoluteUri
- End If
-End Sub
-```
-
 ```cppwinrt
 void App::OnActivated(Windows::ApplicationModel::Activation::IActivatedEventArgs const& args)
 {

hub/apps/develop/launch/launch-default-app.md

@@ -56,10 +56,10 @@ First create a [System.Uri](/dotnet/api/system.uri) object to represent the URI,
 private async void launchURI_Click(object sender, RoutedEventArgs e)
 {
    // The URI to launch
-   var uriBing = new Uri(@"http://www.bing.com");
+   var bingUri = new Uri(@"https://www.bing.com");
 
    // Launch the URI
-   var success = await Windows.System.Launcher.LaunchUriAsync(uriBing);
+   var success = await Windows.System.Launcher.LaunchUriAsync(bingUri);
 
    if (success)
    {