instack-undercloud is no longer in use by the TripleO project. Removing
the code to avoid confusion. Stable branches will continue to be
maintained for their life however no new features should be added.
Change-Id: I63a813c7c1ffd30ca30017133d31a497b77a9a4d
Blueprint: remove-instack-undercloud
This is a follow-up to commit 350aeaff66.
1. Change the default driver for new nodes to pxe_ipmitool as it's our
go-to default driver.
2. Add a release note with a link to more details.
Change-Id: I3535cbfbffd2ce394b4e828c53a7fba6ee46fb5c
Implements: blueprint inspector-node-autodiscovery