[Perl/perl5] ceb208: HiRes.xs: Remove unused macro defns

[Karl Williamson via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: ceb208fc5f651eb4c4d468b0e309e77011831d38
      
https://github.com/Perl/perl5/commit/ceb208fc5f651eb4c4d468b0e309e77011831d38
  Author: Karl Williamson <k...@cpan.org>
  Date:   2020-12-06 (Sun, 06 Dec 2020)

  Changed paths:
    M dist/Time-HiRes/HiRes.pm
    M dist/Time-HiRes/HiRes.xs

  Log Message:
  -----------
  HiRes.xs: Remove unused macro defns