Don't use the db in manage-projects

Direct access to the db restricts where we can run manage-projects from
and complicates testing. Instead rely on the list-groups ssh command to
get group uuid info. Note that this should be tested using new
integration testing before we merge it.

Change-Id: I6e3f0881398da8efeab5dfef370ad8d35163a7be
1 file changed