netem: change mailing list

The old netem mailing list was inactive and recently was targeted by
spammers. Switch to just using netdev mailing list which is where all
the real change happens.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

MAINTAINERS

@@ -11397,7 +11397,7 @@ F:	Documentation/networking/net_failover.rst
 
 NETEM NETWORK EMULATOR
 M:	Stephen Hemminger <stephen@networkplumber.org>
-L:	netem@lists.linux-foundation.org (moderated for non-subscribers)
+L:	netdev@vger.kernel.org
 S:	Maintained
 F:	net/sched/sch_netem.c