Remove obsolete Group tag

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

perl-Devel-ArgNames.spec

@@ -3,7 +3,6 @@ Version:        0.03
 Release:        12%{?dist}
 Summary:        Figure out the names of variables passed into subroutines
 License:        GPL+ or Artistic
-Group:          Development/Libraries
 URL:            https://metacpan.org/release/Devel-ArgNames
 Source0:        https://cpan.metacpan.org/authors/id/N/NU/NUFFIN/Devel-ArgNames-%{version}.tar.gz
 BuildArch:      noarch