Cleanup NuGet.config

Author: smitpatel

NuGet.config

@@ -2,8 +2,7 @@
 <configuration>
   <packageSources>
     <clear />
-    <add key="NuGet.org" value="https://api.nuget.org/v3/index.json" />
-    <add key="AspNetCore" value="https://dotnet.myget.org/f/aspnetcore-master/api/v3/index.json" />
-    <add key="AspNetCore-Patch" value="https://dotnet.myget.org/F/aspnet-1-1-1-patch/api/v3/index.json" />
+    <add key="AspNetCore" value="https://dotnet.myget.org/F/aspnetcore-master/api/v3/index.json" />
+    <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
   </packageSources>
 </configuration>