tree f86f0e3af9cb1790f52951b0d341077837e2e548
parent 037ea4efe07cbc78aa81388dccc06eed21874d4b
author Ghanshyam Mann <gmann@ghanshyammann.com> 1685644032 -0500
committer Ghanshyam <gmann@ghanshyammann.com> 1686083838 +0000

End support for stable/xena

This marks the end of support for stable/xena
which is EM now [1]. This remove the stable/xena
jobs and also adds relesenote to mark the end of
support of Xena.

[1] https://review.opendev.org/c/openstack/releases/+/881254
    https://releases.openstack.org/

Change-Id: I1027823aa378e9c669dca5a1bc49a9ada604a3d7