It no longer makes sense to have nodepool execute 'ready-scripts' on a
remote node. With zuulv3, we have ansible and are able to convert our
ready-scripts into ansible-playbooks.
Change-Id: I07b63a16a668bb9a37fb3f763ac29f307f6c3a65
Signed-off-by: Paul Belanger <pabelanger@redhat.com>