Merge topic 'remove-old-compatibility'

8e0a0291ef Remove compatibility with CMake versions older than 3.0
6973f8304e CMP0050: Remove support for OLD behavior
9f6011e307 CMP0049: Remove support for OLD behavior
292048874f CMP0048: Remove support for OLD behavior
05b2c563bb CMP0047: Remove support for OLD behavior
d9498a474e CMP0046: Remove support for OLD behavior
1e8a744f07 CMP0045: Remove support for OLD behavior
9094eaa778 CMP0044: Remove support for OLD behavior
...

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !10198