Remove what remains of the Intrusion Detection System (IDS)/fids,
`--ids` commands and the `--enable-ids` configure option.
Commands:
* `--ids-check`
* `--ids-init`
Related commits:
* 5e962ff78 ("removed IDS feature, it was never enabled by default in
our builds", 2025-12-17)
Relates to #6995.