coreutils: --list arg and no args should fail

[oech3]

Closes #11383
contexts: #11383 (comment) and coreutils/coreutils#223 (comment)

[codspeed-hq]

Merging this PR will not alter performance

✅ 298 untouched benchmarks
⏩ 48 skipped benchmarks¹

---

_{Comparing oech3:list-help (48aec6f) with main (0b437e9)}

Footnotes

1. 48 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/misc/io-errors. tests/misc/io-errors is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/rm/isatty. tests/rm/isatty is passing on 'main'. Maybe you have to rebase?
Note: The gnu test tests/cut/cut-huge-range is now being skipped but was previously passing.
Congrats! The gnu test tests/basenc/bounded-memory is now passing!
Congrats! The gnu test tests/dd/no-allocate is now passing!
Congrats! The gnu test tests/unexpand/bounded-memory is now passing!

[github-actions]

GNU testsuite comparison:

Note: The gnu test tests/tail/tail-n0f is now being skipped but was previously passing.
Congrats! The gnu test tests/basenc/bounded-memory is now passing!
Congrats! The gnu test tests/dd/no-allocate is now passing!
Congrats! The gnu test tests/unexpand/bounded-memory is now passing!

[GunterSchmidt]

Should we not even simplify more, just allow either one of --help, --version or --list and throw an error if any additional arguments are passed? Why allow --list --help and then give help?

[oech3]

GNU allows --help --version and --version --help.