Remove the job with Ubuntu 22.04

Ubuntu 22.04 support was removed and now Ubuntu 24.04 is the only
supported Ubuntu release.

Drop the job during the transition from 22.04 to 24.04 .

Change-Id: Iccb8e65bc279d88cee30e30257441bad6d17bde5
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

.zuul.yaml

@@ -1,14 +1,6 @@
 # Initial set of jobs that will be extended over time as
 # we get things working.
 
-# TODO(gmann): As per the 2025.1 testing runtime, we need to run at least
-# one job on Focal. This job can be removed in the next cycle (2025.2)
-- job:
-    name: tempest-integrated-placement-ubuntu-jammy
-    description: This is integrated placement job testing on Ubuntu Jammy(22.04)
-    parent: tempest-integrated-placement
-    nodeset: openstack-single-node-jammy
-
 - project:
     templates:
       # The integrated-gate-placement template adds the
@@ -50,8 +42,6 @@
               - ^releasenotes/.*$
               - ^tools/.*$
               - ^tox.ini$
-        - tempest-integrated-placement-ubuntu-jammy:
-            irrelevant-files: *gate-irrelevant-files
         - grenade:
             irrelevant-files: *gate-irrelevant-files
         - grenade-skip-level:
@@ -66,8 +56,6 @@
         - placement-nova-tox-functional-py312
         - tempest-integrated-placement:
             irrelevant-files: *gate-irrelevant-files
-        - tempest-integrated-placement-ubuntu-jammy:
-            irrelevant-files: *gate-irrelevant-files
         - grenade:
             irrelevant-files: *gate-irrelevant-files
         - grenade-skip-level: