diff --git a/3rdparty/cpprestsdk/samples/WindowsLiveAuth/App.xaml.cpp b/3rdparty/cpprestsdk/samples/WindowsLiveAuth/App.xaml.cpp
deleted file mode 100644
index 177d203c7459d68b8039b8075abd2746ab96fddb..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/samples/WindowsLiveAuth/App.xaml.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-/***
-* ==++==
-*
-* Copyright (c) Microsoft Corporation. All rights reserved. 
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-* http://www.apache.org/licenses/LICENSE-2.0
-* 
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*
-****/
-
-#include "pch.h"
-#include "MainPage.xaml.h"
-
-using namespace WindowsLiveAuth;
-
-using namespace Platform;
-using namespace Windows::ApplicationModel;
-using namespace Windows::ApplicationModel::Activation;
-using namespace Windows::Foundation;
-using namespace Windows::Foundation::Collections;
-using namespace Windows::UI::Xaml;
-using namespace Windows::UI::Xaml::Controls;
-using namespace Windows::UI::Xaml::Controls::Primitives;
-using namespace Windows::UI::Xaml::Data;
-using namespace Windows::UI::Xaml::Input;
-using namespace Windows::UI::Xaml::Interop;
-using namespace Windows::UI::Xaml::Media;
-using namespace Windows::UI::Xaml::Navigation;
-
-// The Blank Application template is documented at http://go.microsoft.com/fwlink/?LinkId=234227
-
-/// <summary>
-/// Initializes the singleton application object.  This is the first line of authored code
-/// executed, and as such is the logical equivalent of main() or WinMain().
-/// </summary>
-App::App()
-{
-	InitializeComponent();
-	Suspending += ref new SuspendingEventHandler(this, &App::OnSuspending);
-}
-
-/// <summary>
-/// Invoked when the application is launched normally by the end user.  Other entry points
-/// will be used when the application is launched to open a specific file, to display
-/// search results, and so forth.
-/// </summary>
-/// <param name="args">Details about the launch request and process.</param>
-void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ args)
-{
-	auto rootFrame = dynamic_cast<Frame^>(Window::Current->Content);
-
-	// Do not repeat app initialization when the Window already has content,
-	// just ensure that the window is active
-	if (rootFrame == nullptr)
-	{
-		// Create a Frame to act as the navigation context and associate it with
-		// a SuspensionManager key
-		rootFrame = ref new Frame();
-
-		if (args->PreviousExecutionState == ApplicationExecutionState::Terminated)
-		{
-			// TODO: Restore the saved session state only when appropriate, scheduling the
-			// final launch steps after the restore is complete
-
-		}
-
-		if (rootFrame->Content == nullptr)
-		{
-			// When the navigation stack isn't restored navigate to the first page,
-			// configuring the new page by passing required information as a navigation
-			// parameter
-			if (!rootFrame->Navigate(TypeName(MainPage::typeid), args->Arguments))
-			{
-				throw ref new FailureException("Failed to create initial page");
-			}
-		}
-		// Place the frame in the current Window
-		Window::Current->Content = rootFrame;
-		// Ensure the current window is active
-		Window::Current->Activate();
-	}
-	else
-	{
-		if (rootFrame->Content == nullptr)
-		{
-			// When the navigation stack isn't restored navigate to the first page,
-			// configuring the new page by passing required information as a navigation
-			// parameter
-			if (!rootFrame->Navigate(TypeName(MainPage::typeid), args->Arguments))
-			{
-				throw ref new FailureException("Failed to create initial page");
-			}
-		}
-		// Ensure the current window is active
-		Window::Current->Activate();
-	}
-}
-
-/// <summary>
-/// Invoked when application execution is being suspended.  Application state is saved
-/// without knowing whether the application will be terminated or resumed with the contents
-/// of memory still intact.
-/// </summary>
-/// <param name="sender">The source of the suspend request.</param>
-/// <param name="e">Details about the suspend request.</param>
-void App::OnSuspending(Object^ sender, SuspendingEventArgs^ e)
-{
-	(void) sender;	// Unused parameter
-	(void) e;	// Unused parameter
-
-	//TODO: Save application state and stop any background activity
-}