Remove obsolete Group tag

References: https://fedoraproject.org/wiki/Changes/Remove_Group_Tag

perl-PPI-HTML.spec

@@ -2,7 +2,6 @@ Name:           perl-PPI-HTML
 Version:        1.08
 Release:        17%{?dist}
 Summary:        Generate syntax-highlighted HTML for Perl using PPI
-Group:          Development/Libraries
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/release/PPI-HTML
 Source0:        https://cpan.metacpan.org/authors/id/A/AD/ADAMK/PPI-HTML-%{version}.tar.gz