Remove some debris that is stopping Appveyor

Author: Jeavon

src/UmbracoFileSystemProviders.Azure/UmbracoFileSystemProviders.Azure.csproj

@@ -273,12 +273,10 @@
     <Analyzer Include="..\packages\StyleCop.Analyzers.1.0.0\analyzers\dotnet\cs\StyleCop.Analyzers.dll" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\StyleCop.Analyzers.1.0.0-beta014\build\StyleCop.Analyzers.targets" Condition="Exists('..\packages\StyleCop.Analyzers.1.0.0-beta014\build\StyleCop.Analyzers.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\StyleCop.Analyzers.1.0.0-beta014\build\StyleCop.Analyzers.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\StyleCop.Analyzers.1.0.0-beta014\build\StyleCop.Analyzers.targets'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.