Remove unused dependency

Author: xt0rted

ExampleCoreProject/ExampleCoreProject.csproj

@@ -18,7 +18,6 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp1.0' ">
     <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
     <PackageReference Include="System.Net.Http" Version="4.3.0" />
-    <PackageReference Include="WinInsider.System.Net.Http.Formatting" Version="1.0.1" />
   </ItemGroup>
 
 </Project>