Resolve a build issue.

Author: EmmaZhu

src/ServiceManagement/Compute/Commands.ServiceManagement.Test/Commands.ServiceManagement.Test.csproj

@@ -460,7 +460,6 @@
   </ItemGroup>
   <ItemGroup>
     <Content Include="FunctionalTests\ExtensionTests\MicrosoftAntimalware\AzureVMMicrosoftAntimalwareExtensionFunctionalTests.ps1" />
-    <None Include="app.config" />
     <None Include="AzureRTBVTs.playlist" />
     <None Include="AzureRTComplete.playlist" />
     <None Include="AzureRTComplete_Full_Diff.playlist" />