Comment 8 for bug 1834218

Reviewed: https://review.opendev.org/703516
Committed: https://git.openstack.org/cgit/starlingx/config/commit/?id=f5e43997e398f0a18f4d10cd314161f1361826b9
Submitter: Zuul
Branch: master

commit f5e43997e398f0a18f4d10cd314161f1361826b9
Author: Angie Wang <email address hidden>
Date: Thu Jan 9 16:45:22 2020 -0500

    Clean up dead code in controllerconfig

    This commit updates to clean up the obsolete code in
    controllerconfig as a result of switch to Ansible.

    The cleanup includes:
      - the whole config_controller with its relevant files
        (ie..initial configuration, backup/restore, image clone...)
      - config_subcloud
      - config_region

    Tests conducted:
     - fresh installation of AIO-SX, AIO-DX, standard
       and storage labs
     - platform sanity performed on AIO-SX, AIO-DX,
       standard and storage labs
     - stx-openstack app apply/remove performed on AIO-SX
       and AIO-DX
     - stx-monitor app apply/remove on standard and
       storage labs
     - backup&restore performed on standard lab
     - distributed cloud was deployed

    Change-Id: I0d1eb91188dfb24dca68a19a497b9e4edb0b0ef0
    Partial-Bug: 1834218
    Depends-On: https://review.opendev.org/#/c/703517/
    Signed-off-by: Angie Wang <email address hidden>