Remove obsolete Group tag

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

libftdi.spec

@@ -3,7 +3,6 @@ Version:	1.3
 Release:	13%{?dist}
 Summary:	Library to program and control the FTDI USB controller
 
-Group:		System Environment/Libraries
 License:	LGPLv2
 URL:		http://www.intra2net.com/de/produkte/opensource/ftdi/
 Source0:	http://www.intra2net.com/en/developer/%{name}/download/%{name}1-%{version}.tar.bz2
@@ -26,7 +25,6 @@ FT232BM and FT245BM type chips including the popular bitbang mode.
 
 %package devel
 Summary:	Header files and static libraries for libftdi
-Group:		Development/Libraries
 Requires:	%{name}%{?_isa} = %{version}-%{release}
 Requires:	python3-%{name}%{?_isa} = %{version}-%{release}
 Requires:	pkgconfig
@@ -41,7 +39,6 @@ Provides: %{name}-python = %{version}-%{release}
 Provides: %{name}-python%{?_isa} = %{version}-%{release}
 Obsoletes: %{name}-python < %{version}-%{release}
 Summary:	Libftdi library Python binding
-Group:		Development/Libraries
 Requires:	%{name}%{?_isa} = %{version}-%{release}
 
 %description -n python2-libftdi
@@ -50,7 +47,6 @@ Libftdi Python Language bindings.
 %package -n python3-libftdi
 %{?python_provide:%python_provide python3-libftdi}
 Summary:	Libftdi library Python 3 binding
-Group:		Development/Libraries
 Requires:	%{name}%{?_isa} = %{version}-%{release}
 
 %description -n python3-libftdi
@@ -58,7 +54,6 @@ Libftdi Python 3 Language bindings.
 
 %package c++
 Summary:	Libftdi library C++ binding
-Group:		Development/Libraries
 Requires:	%{name}%{?_isa} = %{version}-%{release}
 
 %description c++
@@ -66,7 +61,6 @@ Libftdi library C++ language binding.
 
 %package c++-devel
 Summary:	Libftdi library C++ binding development headers and libraries
-Group:		Development/Libraries
 Requires:	%{name}-devel = %{version}-%{release}
 Requires:	%{name}-c++ = %{version}-%{release}