title: Wont add dependencies because of missing service fabric packages
body: <p>Starting a new empty .NET Core 2 class library i try to add any dependency with nuget i get this error</p>
  
  <blockquote>
    <p>Error      The local source 'C:\Program Files\Microsoft SDKs\Service Fabric\packages' doesn't exist.           </p>
  </blockquote>
  
  <p>But service fabric should have nothing to do with this solution . Also the solution builds succesfully  </p>