[Perl/perl5] 2cbe5d: Last bits of Perl 6 -> Raku

[Sawyer X via perl5-changes]

  Branch: refs/heads/docs/update-perl6
  Home:   https://github.com/Perl/perl5
  Commit: 2cbe5db0f203705d6cab83c010a2710a40c85c6d
      
https://github.com/Perl/perl5/commit/2cbe5db0f203705d6cab83c010a2710a40c85c6d
  Author: Sawyer X <xsawy...@cpan.org>
  Date:   2020-09-25 (Fri, 25 Sep 2020)

  Changed paths:
    M ext/mro/mro.pm
    M lib/feature.pm
    M regen/feature.pl

  Log Message:
  -----------
  Last bits of Perl 6 -> Raku