[IRDA]: Fix references to dead mailing lists and URLs.

Documentation/networking/irda.txt

@@ -3,12 +3,12 @@ of the IrDA Utilities. More detailed information about these and associated
 programs can be found on http://irda.sourceforge.net/
 
 For more information about how to use the IrDA protocol stack, see the
-IR-HOWTO (http://www.mobilix.org/Infrared-HOWTO/Infrared-HOWTO.html) written by Werner Heuser
-<wehe@mobilix.org>
+Linux Infared HOWTO (http://www.tuxmobil.org/Infrared-HOWTO/Infrared-HOWTO.html)
+by Werner Heuser <wehe@tuxmobil.org>
 
 There is an active mailing list for discussing Linux-IrDA matters called
-linux-irda. To subscribe to it, visit:
+    irda-users@lists.sourceforge.net
+
+
 
-	http://www.pasta.cs.uit.no/mailman/listinfo/linux-irda
 
-Dag Brattli <dagb@cs.uit.no>