Removed code formatting modelines.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit e9a6ad29eb)

doc/en/index.docbook

@@ -270,15 +270,3 @@ run into problems please report them to the TDE dev team.</para>
 
 &documentation.index;
 </book>
-
-<!--
-Local Variables:
-mode: sgml
-sgml-minimize-attributes:nil
-sgml-general-insert-case:lower
-sgml-indent-step:0
-sgml-indent-data:nil
-End:
-
-vim:tabstop=2:shiftwidth=2:expandtab 
--->