Removing Tier 1 repos from Nuget.config; those repos are now coming from the internal 'dotnet-core' feed.
Removing Tier 1 repos from Nuget.config; those repos are now coming from the internal 'dotnet-core' feed.

livarcocc/cli-1,livarcocc/cli-1,johnbeisner/cli,svick/cli,johnbeisner/cli,ravimeda/cli,svick/cli,ravimeda/cli,svick/cli,dasMulli/cli,ravimeda/cli,livarcocc/cli-1,johnbeisner/cli,dasMulli/cli,dasMulli/cli