remove app.config

Author: DeepakRajendranMsft

src/ResourceManager/Network/Commands.Network.Test/Commands.Network.Test.csproj

@@ -176,7 +176,6 @@
     <None Include="..\..\Common\Commands.ScenarioTests.ResourceManager.Common\AzureRM.Resources.ps1">
       <Link>ScenarioTests\AzureRM.Resources.ps1</Link>
     </None>
-    <None Include="app.config" />
     <None Include="MSSharedLibKey.snk" />
     <None Include="packages.config">
       <SubType>Designer</SubType>