Remove obsolete Group tag

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

xdotool.spec

@@ -3,7 +3,6 @@ Version:        3.20150503.1
 Epoch:          1
 Release:        7%{?dist}
 Summary:        Fake keyboard/mouse input
-Group:          User Interface/X
 License:        BSD
 URL:            http://www.semicomplete.com/projects/xdotool/
 Source0:        https://github.com/jordansissel/xdotool/archive/%{name}-%{version}.tar.gz
@@ -16,7 +15,6 @@ This tool lets you programmatically (or manually) simulate keyboard input
 and mouse activity, move and re-size windows, etc.
 
 %package -n libxdo
-Group: System Environment/Libraries
 Summary: Keyboard input simulation library
                                                                                                                                                                                   
 %description -n libxdo
@@ -24,7 +22,6 @@ This library contains functions to simulate keyboard and mouse input
 
 %package -n libxdo-devel
 Summary:        Development files for libxdo
-Group:          Development/Libraries
 Requires:       libxdo = %{epoch}:%{version}-%{release}
 
 %description -n libxdo-devel