Steve Lewis 3b55bbb7e0 Remove unused external_vip_address reference
The horizon_fqdn var does not appear to be used anywhere anymore and
external_vip_address is no longer defined so just removed both.

Closes-Bug: 1425953
Change-Id: I282c4722a9eb50c6d0ada3736e4d66ef9b825c4c
2015-03-10 17:18:14 -07:00
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