[skipci] TMP: Revert "Bump host image for rocky 9.7"

This reverts commit c6a5f4d.

Author: elelaysh

etc/kayobe/pulp-host-image-versions.yml

@@ -1,5 +1,5 @@
 ---
 # Overcloud host image versioning tags
 # These images must be in SMS, since they are used by our AIO CI runners
-stackhpc_rocky_9_overcloud_host_image_version: "2025.1-20251209T112113"
+stackhpc_rocky_9_overcloud_host_image_version: "2025.1-20251027T102633"
 stackhpc_ubuntu_noble_overcloud_host_image_version: "2025.1-20250930T144255"