Merge topic 'remove-FindCABLE'

2b8b17106c FindCABLE: Add policy to remove this module
3c2ed4bbc6 FindGCCXML: Move documentation to list of deprecated modules

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !10540