[CI] Drop the TripleO job
[CI] Drop the TripleO job

Per [1] TripleO relies on Kolla no longer.
That explains why the TripleO job is RED this late in the cycle.
This patch removes it from Kolla's pipeline to save resources.

[1] http://lists.openstack.org/pipermail/openstack-discuss/2020-September/017008.html

Change-Id: I4b3b73e7e1b19ce9c6458c0a8488e0af8ff51d80

openstack/kolla,stackforge/kolla,stackforge/kolla,openstack/kolla,stackforge/kolla