Remove TripleO jobs

TripleO project is retiring so removing its jobs

- https://review.opendev.org/c/openstack/governance/+/905145

Change-Id: Id910656d73bb0d55c68612b64f6b710f0955ca26

Author: gmaanos

zuul.d/job-templates.yaml

@@ -70,19 +70,6 @@
             voting: true
         - ironic-tempest-ipa-wholedisk-bios-agent_ipmitool-tinyipa
         - openstacksdk-functional-devstack-networking
-        - tripleo-ci-centos-9-content-provider
-        - neutron-centos-9-tripleo-standalone:
-            voting: true
-            vars: &consumer_vars
-              consumer_job: true
-              build_container_images: false
-              remove_tags:
-                - build
-            dependencies: &consumer_deps
-              - tripleo-ci-centos-9-content-provider
-        - neutron-ovn-tripleo-ci-centos-9-containers-multinode:
-            vars: *consumer_vars
-            dependencies: *consumer_deps
         - neutron-linuxbridge-tempest-plugin-nftables
         - neutron-ovs-tempest-plugin-iptables_hybrid-nftables
         - devstack-enforce-scope
@@ -144,14 +131,6 @@
             voting: true
         - ironic-tempest-ipa-wholedisk-bios-agent_ipmitool-tinyipa
         - openstacksdk-functional-devstack-networking
-        - tripleo-ci-centos-9-content-provider
-        - neutron-centos-9-tripleo-standalone:
-            voting: true
-            vars: *consumer_vars
-            dependencies: *consumer_deps
-        - neutron-ovn-tripleo-ci-centos-9-containers-multinode:
-            vars: *consumer_vars
-            dependencies: *consumer_deps
         - neutron-linuxbridge-tempest-plugin-scenario-nftables
         - neutron-ovs-tempest-plugin-scenario-iptables_hybrid-nftables
         - devstack-enforce-scope