Update TODO with recent mcast addr changes

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
Reviewed-by: Steven Dake <sdake@redhat.com>

TODO

@@ -10,7 +10,6 @@
  Current priority list for Needle 2.0
 --------------------------------------
 1. quorum improvements
-2. allow a cluster name to autogenerate a mcastaddr
 
 --------------------------------------
  Current priority list for Needle 2.1