Remove tools\NuGet\NuGet.config (#850)
Remove tools\NuGet\NuGet.config (#850)

Remove old config file that has items that shouldn't be used.
Microsoft/MIEngine,orbitcowboy/MIEngine,orbitcowboy/MIEngine,orbitcowboy/MIEngine,Microsoft/MIEngine,Microsoft/MIEngine,Microsoft/MIEngine,orbitcowboy/MIEngine