Revert changes on NuGet.config

Author: Simon Zhao (BEYONDSOFT CONSULTING INC)

NuGet.config

@@ -77,6 +77,9 @@
     <!--  Begin: Package sources from dotnet-templating -->
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-aspnetcore -->
+    <add key="darc-int-dotnet-aspnetcore-215a587-1" value="true" />
+    <add key="darc-int-dotnet-aspnetcore-215a587-2" value="true" />
+    <add key="darc-int-dotnet-aspnetcore-215a587" value="true" />
     <!--  End: Package sources from dotnet-aspnetcore -->
     <!--  Begin: Package sources from dotnet-runtime -->
     <add key="darc-int-dotnet-runtime-aae90fa-1" value="true" />