Rename ironic job name to match zuulv3

Depends-On: https://review.openstack.org/#/c/629173/
Change-Id: Ifa8d075729c6347ecda41c79e4de09c71483b4c6

Author: iurygregory

.zuul.yaml

@@ -597,7 +597,7 @@
         - devstack-multinode-xenial
         - devstack-unit-tests
         - openstack-tox-bashate
-        - ironic-tempest-dsvm-ipa-wholedisk-bios-agent_ipmitool-tinyipa:
+        - ironic-tempest-ipa-wholedisk-bios-agent_ipmitool-tinyipa:
             voting: false
         - swift-dsvm-functional:
             voting: false