[openssl/openssl] 23e655: Add more punycode tests and remove ossl_a2ucompare()

[Shane]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 23e65561e28f705f8f59128470aaf89bdbdb84fa
      https://github.com/openssl/openssl/commit/23e65561e28f705f8f59128470aaf89bdbdb84fa
  Author: slontis <shane.lontis at oracle.com>
  Date:   2023-02-08 (Wed, 08 Feb 2023)

  Changed paths:
    M crypto/punycode.c
    M doc/internal/man3/ossl_punycode_decode.pod
    M include/crypto/punycode.h
    M test/punycode_test.c

  Log Message:
  -----------
  Add more punycode tests and remove ossl_a2ucompare()

The unused and untested internal function ossl_a2ucompare() has been
removed.

Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit at gmail.com>
(Merged from https://github.com/openssl/openssl/pull/20177)