CI: Remove failing jobs from gate

This was missed from I859528f0834d6679bd9d3b7d5248f0196aae5bae [1].

[1] https://review.opendev.org/c/openstack/kayobe/+/958772

Change-Id: I1db713c3cad53ce6d9b8875bcfdfeac597c951ab
Signed-off-by: Pierre Riteau <pierre@stackhpc.com>

Author: priteau

zuul.d/project.yaml

@@ -36,11 +36,8 @@
         - kayobe-overcloud-host-configure-rocky9
         - kayobe-overcloud-host-configure-ubuntu-noble
         - kayobe-overcloud-upgrade-ubuntu-noble
-        - kayobe-seed-rocky9
-        - kayobe-seed-rocky9-podman
         - kayobe-seed-ubuntu-noble
         - kayobe-seed-ubuntu-noble-podman
-        - kayobe-seed-upgrade-rocky9
         - kayobe-seed-upgrade-ubuntu-noble
         - kayobe-seed-vm-rocky9
         - kayobe-seed-vm-ubuntu-noble