Fix broken link
Fix broken link

This is not a real link, just a reference to the website, just do not
mark it as link.

Currently the link points to
https://docs.openstack.org/contributor-guide/review.openstack.org which
is wrong.

Change-Id: Ic1b4dffdfe15d47dc93713c8f1cf95fbd6097c9c

openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals