Updating NuGet.config

Author: pranavkm

NuGet.config

@@ -1,9 +1,8 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <packageSources>
-    <add key="AspNetVNext" value="https://www.myget.org/F/aspnetcirelease/api/v3/index.json" />
+    <clear />
     <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
-    <add key="Roslyn" value="https://www.myget.org/F/roslyn-nightly/" />
-    <add key="DotNet" value="https://www.myget.org/F/dotnet-corefx/" />
+    <add key="AspNetVNext" value="https://www.myget.org/f/aspnetmaster/api/v3/index.json" />
   </packageSources>
-</configuration>
+</configuration>