Remove obsolete Group tag

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

lame.spec

@@ -3,7 +3,6 @@ Version:        3.100
 Release:        4%{?dist}
 Summary:        Free MP3 audio compressor
 
-Group:          Applications/Multimedia
 License:        GPLv2+
 URL:            http://lame.sourceforge.net/
 Source0:        http://downloads.sourceforge.net/sourceforge/lame/%{name}-%{version}.tar.gz
@@ -25,14 +24,12 @@ with both constant and variable bitrates.
 
 %package        libs
 Summary:        LAME MP3 encoding library
-Group:          System Environment/Libraries
 
 %description    libs
 LAME MP3 encoding library.
 
 %package        devel
 Summary:        Development files for %{name}
-Group:          Development/Libraries
 Requires:       %{name}-libs = %{version}-%{release}
 
 %description    devel
@@ -40,7 +37,6 @@ This package development files for %{name}.
 
 %package        mp3x
 Summary:        MP3 frame analyzer
-Group:          Applications/Multimedia
 Requires:       %{name} = %{version}-%{release}
 
 %description    mp3x