diff --git a/3rdparty/cpprestsdk/samples/FacebookDemo/App.xaml b/3rdparty/cpprestsdk/samples/FacebookDemo/App.xaml
deleted file mode 100644
index 8aba49f65469eb4dca93bd2230f57de1f107b43e..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/samples/FacebookDemo/App.xaml
+++ /dev/null
@@ -1,38 +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.
-
- =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
- App.xaml - Default application xaml file from blank project.
- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
--->
-    
-<Application
-    x:Class="FacebookDemo.App"
-    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:local="using:FacebookDemo">
-
-    <Application.Resources>
-        <ResourceDictionary>
-            <ResourceDictionary.MergedDictionaries>
-
-                <!-- 
-                    Styles that define common aspects of the platform look and feel
-                    Required by Visual Studio project and item templates
-                 -->
-                <ResourceDictionary Source="Common/StandardStyles.xaml"/>
-            </ResourceDictionary.MergedDictionaries>
-
-        </ResourceDictionary>
-    </Application.Resources>
-</Application>