Merge topic 'cmake-bootstrap-def'

d4d5053c30 Refactor: Finish replacing CMAKE_BUILD_WITH_CMAKE with CMAKE_BOOTSTRAP
fe921edd49 Utilities/Scripts: Remove temporary CMAKE_BOOTSTRAP conversion script
54e9d38c28 Refactor: Convert all instances of CMAKE_BUILD_WITH_CMAKE to CMAKE_BOOTSTRAP
ad0e44a18b Utilities/Scripts: Add temporary CMAKE_BOOTSTRAP conversion script

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3662