[Perl/perl5] cf8a7a: locale.c: Delete erroneous comment

[Karl Williamson via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: cf8a7a52e7b38c3dca17b7aff9a4290b77663fda
      
https://github.com/Perl/perl5/commit/cf8a7a52e7b38c3dca17b7aff9a4290b77663fda
  Author: Karl Williamson <k...@cpan.org>
  Date:   2024-01-02 (Tue, 02 Jan 2024)

  Changed paths:
    M locale.c

  Log Message:
  -----------
  locale.c: Delete erroneous comment

Part of the comment is correct, but is now documented elsewhere in the
file.  The part about it not being a problem with nl_langinfo() was long
ago found to be wrong; the code was corrected, but this comment wasn't
updated.