diff --git a/3rdparty/cpprestsdk/samples/FacebookDemo/MainPage.xaml b/3rdparty/cpprestsdk/samples/FacebookDemo/MainPage.xaml
deleted file mode 100644
index 7c4bd57e34e589d4317dc01692e83d9836f00880..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/samples/FacebookDemo/MainPage.xaml
+++ /dev/null
@@ -1,54 +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.
-
- =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
- MainPage.xaml - Primary application page.  Contains two buttons for
-    logging into and fetching albums from Facebook, and a GridView
-    control for displaying the downloaded album data.    
- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
--->    
-    
-<Page
-    x:Class="FacebookDemo.MainPage"
-    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:local="using:FacebookDemo"
-    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}">
-        <Grid.RowDefinitions>
-            <RowDefinition Height="*" />
-            <RowDefinition Height="150" />
-        </Grid.RowDefinitions>
-
-        <GridView Grid.Row="0" x:Name="AlbumGrid">
-            <GridView.ItemTemplate>
-                <DataTemplate>
-                    <Grid HorizontalAlignment="Left" Width="400" Height="250"  Margin="5">
-                        <Image Source="{Binding Preview}" Stretch="UniformToFill" />
-                        <StackPanel VerticalAlignment="Bottom">
-                            <TextBlock Text="{Binding Title}" FontSize="30" HorizontalAlignment="Left" VerticalAlignment="Center"/>
-                            <TextBlock Text="{Binding Count}" FontSize="12" HorizontalAlignment="Right" VerticalAlignment="Top" />
-                        </StackPanel>
-                    </Grid>
-                </DataTemplate>
-            </GridView.ItemTemplate>
-        </GridView>
-        <StackPanel Orientation="Horizontal" Grid.Row="1">
-            <Button x:Name="LoginButton" Click="LoginButton_Click_1">Login</Button>
-            <Button x:Name="AlbumButton" IsEnabled="False" Click="AlbumButton_Click_1">Fetch Albums</Button>
-        </StackPanel>
-    </Grid>
-</Page>