[Perl/perl5] 260e30: proto.h - fixup remove unneeded define

[Yves Orton via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 260e30211bacb8994ba95f8149e9ca43d093d397
      
https://github.com/Perl/perl5/commit/260e30211bacb8994ba95f8149e9ca43d093d397
  Author: Yves Orton <demer...@gmail.com>
  Date:   2023-03-18 (Sat, 18 Mar 2023)

  Changed paths:
    M proto.h

  Log Message:
  -----------
  proto.h - fixup remove unneeded define

This is build product from a make regen.