Correct a long-standing mixup of two auth domains.

Reference: /n/sources/patch/applied/ndb-authdom-hamnavoe
Date: Mon Aug 19 18:09:35 CES 2013
Signed-off-by: miller@hamnavoe.com

--- /lib/ndb/common	Mon Aug 19 18:08:34 2013
+++ /lib/ndb/common	Mon Aug 19 18:08:31 2013
@@ -355,7 +355,6 @@
 
 # for geoff's external ipv6 testing
 auth=9grid.hamnavoe.com
-	authdom=hamnavoe.com
 	authdom=9grid.hamnavoe.com
 
 auth=whale.lsub.org