Remove obsolete Group tag

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

ORBit2.spec

@@ -7,7 +7,6 @@ Version: 2.14.19
 Release: 20%{?dist}
 #VCS: git:git://git.gnome.org/ORBit2
 Source: http://download.gnome.org/sources/ORBit2/2.14/%{name}-%{version}.tar.bz2
-Group: System Environment/Daemons
 License: LGPLv2+ and GPLv2+
 URL: http://www.gnome.org/projects/ORBit2
 BuildRequires: libIDL-devel >= %{libidl_version}
@@ -38,7 +37,6 @@ write programs that use CORBA technology.
 
 %package devel
 Summary: Development libraries, header files and utilities for ORBit
-Group: Development/Libraries
 Requires: %{name} = %{version}-%{release}
 Requires: indent
 Requires: libIDL-devel >= %{libidl_version}