Use the devstack-tobiko job

The Tobiko project will deprecate and remove some jobs, like for
example `devstack-tobiko-neutron`.

Conflicts:
  zuul.d/job-templates.yaml

Signed-off-by: Rodolfo Alonso Hernandez <ralonsoh@redhat.com>
Change-Id: I652344fe6629ac3d308cd4d4c4e68d267f6f2efc
(cherry picked from commit 33adbcc)
(cherry picked from commit 560d624)

Author: ralonsoh

zuul.d/job-templates.yaml

@@ -106,8 +106,7 @@
         - neutron-ovs-tempest-with-sqlalchemy-master
         - neutron-ovs-tempest-fips
         - neutron-ovn-tempest-ovs-release-fips
-        - devstack-tobiko-neutron:
-            voting: true
+        - devstack-tobiko
         - ironic-tempest-ipa-wholedisk-bios-agent_ipmitool-tinyipa
         - openstacksdk-functional-devstack-networking
         - neutron-ovs-tempest-plugin-iptables_hybrid-nftables