org-odt.el: Remove dependency on a pending patch

Revert this commmit once the patch referenced below is accepted.
https://lists.gnu.org/archive/html/emacs-orgmode/2011-10/msg00097.html

contrib/lisp/org-odt.el

@@ -1131,7 +1131,8 @@ Use `org-odt-format-source-code-or-example-plain' or
 `org-odt-format-source-code-or-example-colored' depending on the
 value of `org-export-odt-use-htmlfontify."
   (setq lines (org-export-number-lines
-	       lines 0 0 num cont rpllbl fmt 'preprocess)
+	       lines 0 0 num cont rpllbl fmt ;; 'preprocess
+	       )
 	lines (funcall
 	       (or (and org-export-odt-use-htmlfontify
 			(or (featurep 'htmlfontify)