remove non-working reference to old phpwizard.net forum

Documentation.html

@@ -2367,11 +2367,7 @@ To create a new, empty mimetype please see libraries/transformations/template_ge
     messages with the HTTP or advanced authentication mode.
 </h4>
 <p>
-    This is a known problem with the PHP ISAPI filter: it's not so stable. For
-    some more information and complete testings see the messages posted by
-    Andr&eacute; B. aka &quot;djdeluxe76&quot; in
-    <a href="http://www.phpwizard.net/phorum/read.php?f=1&amp;i=6624&amp;t=6300">this&nbsp;thread</a>
-    from the phpWizard forum.<br />
+    This is a known problem with the PHP ISAPI filter: it's not so stable.
     Please use instead the cookie authentication mode.
 </p>
 
@@ -2856,7 +2852,7 @@ To create a new, empty mimetype please see libraries/transformations/template_ge
     <br />
     Then restart apache and it will work.
     <br /><br />
-    Here is a fix suggested by Brad Ummer in the phpwizard forum:
+    Here is a fix suggested by Brad Ummer:
 </p>
 <ul>
     <li>
@@ -4301,7 +4297,7 @@ CREDITS, in chronological order
 
 - Geert Lund &lt;glund_at_silversoft.dk&gt;
     * various fixes
-    * moderator of the phpMyAdmin users forum at phpwizard.net
+    * moderator of the phpMyAdmin former users forum at phpwizard.net
 
 - Korakot Chaovavanich &lt;korakot_at_iname.com&gt;
     * &quot;insert as new row&quot; feature