update sources

Author: dsyme

NuGet.Config

@@ -7,16 +7,7 @@
   <packageSources>  
     <!--To inherit the global NuGet package sources remove the <clear/> line below -->
     <clear />
-    <add key="artifacts" value="./artifacts" />
-    <add key="artifacts" value="./artifacts/4.2" />
-    <add key="myget.org fsharp-daily" value="https://www.myget.org/F/fsharp-daily/api/v3/index.json" />
-    <add key="myget.org roslyn-master-nightly" value="https://dotnet.myget.org/F/roslyn-master-nightly/api/v3/index.json" />
-    <add key="dotnet-core" value="https://dotnet.myget.org/F/dotnet-core/api/v3/index.json" />
-    <add key="myget.org dotnet-buildtools" value="https://dotnet.myget.org/F/dotnet-buildtools/api/v3/index.json" />
-    <add key="myget.org roslyn-tools" value="https://dotnet.myget.org/F/roslyn-tools/api/v3/index.json" />
     <add key="api.nuget.org" value="https://api.nuget.org/v3/index.json" />
-    <add key="myget.org roslyn tools" value="https://dotnet.myget.org/F/roslyn-tools/api/v3/index.json" />
-    <add key="myget.org roslyn" value="https://dotnet.myget.org/F/roslyn/api/v3/index.json" />
   </packageSources>
 
 </configuration>