Remove small unneeded code from impl_kombu
Remove small unneeded code from impl_kombu

If a publish fails, we reconnect to rabbit.  In this case, we try to
declare the publisher exchange... and loop around and do the same thing
again after grabbing a new class instance.  This removes the extra code.

Change-Id: I99089ccfb93bb860d5221c267f35a16c1faf3707

n0ano/ganttclient