First pass on removing license notice in header for LGPL files

Cartesian_kernel/include/CGAL/Cartesian/function_objects.h

@@ -5,16 +5,7 @@
 // Max-Planck-Institute Saarbruecken (Germany),
 // and Tel-Aviv University (Israel).  All rights reserved. 
 //
-// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public License as
-// published by the Free Software Foundation; either version 3 of the License,
-// or (at your option) any later version.
-//
-// Licensees holding a valid commercial license may use this file in
-// accordance with the commercial license agreement provided with the software.
-//
-// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
-// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+// This file is part of CGAL (www.cgal.org)
 //
 // $URL$
 // $Id$