diff --git a/3rdparty/cpprestsdk/samples/WindowsLiveAuth/MainPage.xaml b/3rdparty/cpprestsdk/samples/WindowsLiveAuth/MainPage.xaml
deleted file mode 100644
index 83daf461001eefd915df3d21fc580727e6fd4dd4..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/samples/WindowsLiveAuth/MainPage.xaml
+++ /dev/null
@@ -1,21 +0,0 @@
-<Page
-    x:Class="WindowsLiveAuth.MainPage"
-    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:local="using:WindowsLiveAuth"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    mc:Ignorable="d">
-
-    <Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
-        <Button Name="LogInButton" Content="Log In" HorizontalAlignment="Left" Margin="249,76,0,0" VerticalAlignment="Top" Click="Button_Click_1"/>
-        <Button Name="GetInfoButton" Content="Get Info" HorizontalAlignment="Left" Margin="249,149,0,0" VerticalAlignment="Top" Click="Button_Click_2" Visibility="Visible"/>
-        <TextBox Name="Box1" HorizontalAlignment="Left" Height="9" Margin="360,155,0,0" TextWrapping="Wrap" Text="me" FontSize="18" VerticalAlignment="Top" Width="442" Visibility="Visible"/>
-
-        <TextBlock Name="Block1" FontSize="20" HorizontalAlignment="Left" Height="455" Margin="32,234,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="1312" IsTextSelectionEnabled="True"/>
-        <Button Name="LogOutButton" Content="Log Out" HorizontalAlignment="Left" Margin="249,76,0,0" VerticalAlignment="Top" Visibility="Collapsed" Click="LogOutButton_Click"/>
-        <Button Name="UploadButton" Content="Upload" HorizontalAlignment="Left" Margin="1016,149,0,0" VerticalAlignment="Top" Click="UploadButton_Click" Visibility="Visible"/>
-        <Button Name="DownloadButton" Content="Download" HorizontalAlignment="Left" Margin="1146,149,0,0" VerticalAlignment="Top" Visibility="Visible" Click="DownloadButton_Click"/>
-
-    </Grid>
-</Page>