Exclude gate-tempest-dsvm-ironic-pxe_ipa.* from stable/juno
Exclude gate-tempest-dsvm-ironic-pxe_ipa.* from stable/juno

The code that this tests wasn't added until Kilo as part of
https://blueprints.launchpad.net/ironic/+spec/ipa-as-default-ramdisk
so it doesn't make sense to test on Juno.

Change-Id: Id9af33cf85ca519f63e5a248384060736386c20c

Tesora/tesora-project-config,openstack-infra/project-config,openstack-infra/project-config,dongwenjuan/project-config,dongwenjuan/project-config,Tesora/tesora-project-config,noorul/os-project-config,noorul/os-project-config