Remove obsolete Group tag

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

pentaho-reporting-flow-engine.spec

@@ -4,7 +4,6 @@ Release: 16%{?dist}
 Summary: Pentaho Flow Reporting Engine
 License: LGPLv2+
 Epoch: 1
-Group: System Environment/Libraries
 Source: http://downloads.sourceforge.net/jfreereport/flow-engine-%{version}.zip
 URL: http://reporting.pentaho.org/
 BuildRequires: ant, java-devel, jpackage-utils, libbase, libserializer
@@ -22,7 +21,6 @@ known as 'JFreeReport'
 
 %package javadoc
 Summary: Javadoc for %{name}
-Group: Development/Documentation
 Requires: %{name} = 1:%{version}-%{release}
 Requires: jpackage-utils