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
Once the tripleo-common patch removing the last references to the
Mistral environment merges, the Mistral environment can be safely
deleted.
Related blueprint: stop-using-mistral-env
Depends-On: Ieedecf92113142e43925131dcbccc4c0cd5b1a18
Change-Id: Iad819ee27a02ff00baf85304fdd950622cbcef25