[eliminate-warden#78779164]: Update setup.sh to remove references to warden.
[eliminate-warden#78779164]: Update setup.sh to remove references to warden.

shashidharatd/garden-linux,cloudfoundry-incubator/garden-linux,shashidharatd/garden-linux,shashidharatd/garden-linux,cloudfoundry-incubator/garden-linux,shashidharatd/garden-linux,cloudfoundry-incubator/garden-linux