Remove obsolete Group tag

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

openscap.spec

@@ -2,7 +2,6 @@ Name:           openscap
 Version:        1.3.0
 Release:        2%{?dist}
 Summary:        Set of open source libraries enabling integration of the SCAP line of standards
-Group:          System Environment/Libraries
 License:        LGPLv2+
 URL:            http://www.open-scap.org/
 Source0:        https://github.com/OpenSCAP/%{name}/releases/download/%{version}/%{name}-%{version}.tar.gz
@@ -38,7 +37,6 @@ for the expression of Computer Network Defense related information.
 
 %package        devel
 Summary:        Development files for %{name}
-Group:          Development/Libraries
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       libxml2-devel
 Requires:       pkgconfig
@@ -50,7 +48,6 @@ developing applications that use %{name}.
 
 %package        python3
 Summary:        Python 3 bindings for %{name}
-Group:          Development/Libraries
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 BuildRequires:  python3-devel
 
@@ -60,7 +57,6 @@ libraries can be used by python3.
 
 %package        scanner
 Summary:        OpenSCAP Scanner Tool (oscap)
-Group:          Applications/System
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       libcurl >= 7.12.0
 BuildRequires:  libcurl-devel >= 7.12.0
@@ -74,7 +70,6 @@ compliance checking using SCAP content.
 
 %package        utils
 Summary:        OpenSCAP Utilities
-Group:          Applications/System
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       rpmdevtools rpm-build
 Requires:       %{name}-scanner%{?_isa} = %{version}-%{release}
@@ -86,7 +81,6 @@ tool which is now separated to %{name}-scanner sub-package.
 
 %package        engine-sce
 Summary:        Script Check Engine plug-in for OpenSCAP
-Group:          Applications/System
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description    engine-sce
@@ -96,7 +90,6 @@ commands using a scripting language (Bash, Perl, Python, Ruby, ...).
 
 %package        engine-sce-devel
 Summary:        Development files for %{name}-engine-sce
-Group:          Development/Libraries
 Requires:       %{name}-devel%{?_isa} = %{version}-%{release}
 Requires:       %{name}-engine-sce%{?_isa} = %{version}-%{release}
 Requires:       pkgconfig
@@ -107,7 +100,6 @@ for developing applications that use %{name}-engine-sce.
 
 %package        containers
 Summary:        Utils for scanning containers
-Group:          Applications/System
 Requires:       %{name} = %{version}-%{release}
 Requires:       %{name}-scanner
 BuildArch:      noarch