Remove obsolete Group tag

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

gnome-icon-theme.spec

@@ -2,7 +2,6 @@ Summary:    GNOME icon theme
 Name:       gnome-icon-theme
 Version:    3.12.0
 License:    LGPLv3+
-Group:      User Interface/Desktops
 Release:    10%{?dist}
 URL:        http://www.gnome.org
 
@@ -24,7 +23,6 @@ This package contains the default icon theme used by the GNOME desktop.
 
 %package legacy
 Summary: Old names for icons in gnome-icon-theme
-Group: User Interface/Desktops
 Requires: %{name} = %{version}-%{release}
 
 %description legacy
@@ -34,7 +32,6 @@ available under old names.
 %package devel
 
 Summary: Development files for gnome-icon-theme
-Group: Development/Libraries
 Requires: %{name} = %{version}-%{release}
 
 %description devel