Remove outdated comment.

--HG--
branch : HEAD
diff --git a/man/zip_open.mdoc b/man/zip_open.mdoc
index 455b153..eeb2757 100644
--- a/man/zip_open.mdoc
+++ b/man/zip_open.mdoc
@@ -1,4 +1,4 @@
-.\" $NiH: zip_open.mdoc,v 1.17 2004/11/24 16:15:54 wiz Exp $
+.\" $NiH: zip_open.mdoc,v 1.18 2005/06/09 18:50:27 wiz Exp $
 .\"
 .\" zip_open.mdoc -- open zip archive
 .\" Copyright (C) 2003 Dieter Baron and Thomas Klausner
@@ -47,7 +47,6 @@
 The zip archive specified by
 .Ar path
 is opened and a pointer to a
-.\" XXX: also marks up ,
 .Ft struct zip ,
 used to manipulate the archive, is returned.
 The