Merge topic 'vs-flag-FS' into release-3.21

937f454fb9 VS: Remove C++ module CompileAs flag table entries for v142 and v143
8fb349a80e VS: Remove cl /FS entry from flag table for v142 and v143

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Niels Dekker <niels_dekker_address_until_2024@xs4all.nl>
Merge-request: !6390