[wwwdocs] Remove concrete RBLs from lists.html

[Gerald Pfeifer]

Remove links to concrete RBLs used; mail-abuse.com transmogrified into 
annyoingly commercial.

Installed.

Gerald

Index: lists.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/lists.html,v
retrieving revision 1.92
diff -u -3 -p -r1.92 lists.html
--- lists.html	6 Aug 2004 08:03:48 -0000	1.92
+++ lists.html	13 Feb 2005 12:42:20 -0000
@@ -265,13 +265,6 @@ site that is listed in one of these RBLs
 about fixing your mail setup.  Spammers are taking advantage of your
 site to relay their spam.</p>
 
-<p>The following RBLs are consulted on all e-mail before it is distributed:
-<a href="http://www.mail-abuse.com/services/mds_rbl.html">MAPS RBL</a>, 
-<a href="http://www.mail-abuse.com/services/mds_rss.html">MAPS RSS</a>, 
-<a href="http://www.mail-abuse.com/services/mds_dul.html">MAPS DUL</a>,
-<a href="http://ordb.org/">ORDB</a>.
-</p>
-
 <p>Note that, if you are <em>subscribed</em> to a mailing list at
 gcc.gnu.org, you will not be subject to any kind of spam blocking
 for that mailing list.  However, if you are subscribed from one account