Disable Jenkins builds for aspnet/SignalR (#1073)
Disable Jenkins builds for aspnet/SignalR (#1073)

* Disable Jenkins builds for aspnet/SignalR

We're getting enough coverage from AzDO now and are ready to shut off the Jenkins builds. It looks like this is the way to do that :).

* Restore 2.1 SignalR build

dotnet/dotnet-ci,dotnet/dotnet-ci