Fix review.o.o projects.yaml.

* modules/openstack_project/templates/review.projects.yaml.erb: Remove
invalid map object, upstream: upstream: git://foo had one too many
upstreams.

Change-Id: I108dcf5336e6531d02d728b364584172f53215c1
Reviewed-on: https://review.openstack.org/31895
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins