Revert to binary images for nova

The centos binary images now include nova 23.0.0 packages.

Change-Id: I0c7d57231a63e1f9ff3fdcdef1be7fff57160e08

playbooks/kayobe-overcloud-upgrade-base/globals.yml.j2

@@ -11,6 +11,3 @@ nova_compute_virt_type: qemu
 # processes to one per-service.
 openstack_service_workers: "1"
 openstack_service_rpc_workers: "1"
-
-# TODO(priteau): Remove me once binary images with wallaby packages are available
-nova_install_type: "source"