[wwwdocs] Remove form for (un)subscribing from old mailing lists

[Jonathan Wakely via Gcc-patches]

This no longer works, so direct people to the mailman listinfo pages
instead.

OK to commit to wwwdocs?



commit 2ae426c876e6ddc026bc2a30e82cb56946c9031f
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Thu Apr 23 18:38:00 2020 +0100

    Remove form for (un)subscribing from old mailing lists
    
    This no longer works, so direct people to the mailman listinfo pages
    instead.

diff --git a/htdocs/lists.html b/htdocs/lists.html
index b05e1712..ea37aedc 100644
--- a/htdocs/lists.html
+++ b/htdocs/lists.html
@@ -194,46 +194,9 @@ it's assumed that no-one on these lists means to speak for 
their company.</p>
 
 <h2 id="subscribe">Subscribing/unsubscribing</h2>
 
-<p>You will be able to subscribe or unsubscribe from any of the GCC mailing
-lists via this form:</p>
-
-<!-- NOTE: The server-side included form does not show up at mirrors,
-     so refer to it by an explicit hostname to avoid confusion.
--->
-
-<blockquote>
-<form method="get" action="https://gcc.gnu.org/cgi-bin/ml-request";>
-  <p>Mailing list: 
-  <select name="listname">
-   <option value="gcc-announce">gcc-announce</option>
-   <option value="gcc">gcc</option>
-   <option value="gcc-help">gcc-help</option>
-   <option value="gcc-bugs">gcc-bugs</option>
-   <option value="gcc-patches">gcc-patches</option>
-   <option value="gcc-testresults">gcc-testresults</option>
-   <option value="gcc-cvs">gcc-cvs</option>
-   <option value="gcc-cvs-wwwdocs">gcc-cvs-wwwdocs</option>
-   <option value="gcc-regression">gcc-regression</option>
-   <option value="libstdc++">libstdc++</option>
-   <option value="libstdc++-cvs">libstdc++-cvs</option>
-   <option value="fortran">fortran</option>
-   <option value="jit">jit</option>
-   <option value="gnutools-advocacy">gnutools-advocacy</option>
-  </select>
- <br />
-  Your e-mail address:
-  <input type="text" name="username" size="14" />
- <br />
-  <input type="checkbox" name="digest" />Digest version
-  &nbsp;
-  <select name="operation">
-    <option value="subscribe">subscribe</option>
-    <option value="unsubscribe">unsubscribe</option>
-  </select>
-  &nbsp;
- <input type="submit" name="submit" value="Process that!" /></p>
-</form>
-</blockquote>
+<p>You can subscribe or unsubscribe from any of the GCC mailing
+lists by clicking on the list name above and then following the
+"more information about this list" link.</p>
 
 <p>If you're having trouble getting off a list, look at the
 <b><code>List-Unsubscribe:</code></b> header on a message sent to that list.