Remove 42.3 from Master

There is no point in testing, even experimentally, 42.3 on master.

We can keep 42.3 for the existing stable branches (Rocky being the
last one).

Change-Id: I9a21a7b4fca4166c7ad350808914705da97c9918

zuul.d/jobs.yaml

@@ -144,26 +144,6 @@
     parent: openstack-ansible-upgrade
     nodeset: ubuntu-xenial
 
-- job:
-    name: openstack-ansible-upgrade-opensuse-423
-    parent: openstack-ansible-upgrade
-    nodeset: opensuse-423
-    voting: false
-
-- job:
-    name: openstack-ansible-functional-opensuse-423
-    parent: openstack-ansible-functional
-    nodeset: opensuse-423
-    voting: false
-
-- job:
-    name: openstack-ansible-functional-distro_install-opensuse-423
-    parent: openstack-ansible-functional
-    nodeset: opensuse-423
-    voting: false
-    vars:
-      tox_env: distro_install
-
 - job:
     name: openstack-ansible-upgrade-opensuse-150
     parent: openstack-ansible-upgrade

zuul.d/project-templates.yaml

@@ -15,7 +15,6 @@
       jobs:
         - openstack-ansible-integrated-deploy-aio
         - openstack-ansible-functional-opensuse-150
-        - openstack-ansible-functional-opensuse-423
         - openstack-ansible-functional-gentoo-17-0-systemd
 
 - project-template:
@@ -34,7 +33,6 @@
     experimental:
       jobs:
         - openstack-ansible-upgrade-opensuse-150
-        - openstack-ansible-upgrade-opensuse-423
         - openstack-ansible-upgrade-gentoo-17-0-systemd
 
 - project-template:
@@ -51,6 +49,5 @@
         # on master branches. See
         # http://eavesdrop.openstack.org/meetings/openstack_ansible_meeting/2018/openstack_ansible_meeting.2018-10-23-16.01.log.html#l-188
         - openstack-ansible-functional-distro_install-opensuse-150
-        - openstack-ansible-functional-distro_install-opensuse-423
         - openstack-ansible-functional-distro_install-gentoo-17-0-systemd
         - openstack-ansible-functional-distro_install-ubuntu-bionic