Remove obsolete Group tag

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

lpsolve.spec

@@ -3,7 +3,6 @@ Summary:   A Mixed Integer Linear Programming (MILP) solver
 Version:   5.5.2.0
 Release:   21%{?dist}
 Source:    http://downloads.sourceforge.net/lpsolve/lp_solve_%{version}_source.tar.gz
-Group:     System Environment/Libraries
 URL:       http://sourceforge.net/projects/lpsolve
 License:   LGPLv2+
 
@@ -19,7 +18,6 @@ Mixed Integer Linear Programming (MILP) solver lpsolve solves pure linear,
 %package devel
 Requires: %{name}%{?_isa} = %{version}-%{release}
 Summary: Files for developing with lpsolve
-Group: Development/Libraries
 
 %description devel
 Includes and definitions for developing with lpsolve