[Perl/perl5] cd7ba9: locale.c: Clean up two DEBUG stmts

[Karl Williamson via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: cd7ba9418e8240306639e2f1fffa4abbf4bfeb5a
      
https://github.com/Perl/perl5/commit/cd7ba9418e8240306639e2f1fffa4abbf4bfeb5a
  Author: Karl Williamson <k...@cpan.org>
  Date:   2022-09-10 (Sat, 10 Sep 2022)

  Changed paths:
    M locale.c

  Log Message:
  -----------
  locale.c: Clean up two DEBUG stmts

STMT_START...END aren't required in DEBUG() calls, as that macro already
wraps its argument with those.  So, they are just clutter here.