skyring-setup: No need to display default mongo credentials
skyring-setup: No need to display default mongo credentials

Removed listing of default mongodb credentials in setup
summary. No need to show the same as nobody is going to
access mongodb command line as such and its used from
skyring core only.

Change-Id: I6a186985d35011b5be9f0b081c4ab19aa4229357
Signed-off-by: Shubhendu <abf833e62503b33bb0dfae62bb381d87d91f8de1@redhat.com>

skyrings/skyring,skyrings/skyring,skyrings/skyring,skyrings/skyring