Braves in Tauren Starting area should not talk

They had the wrong value set in the NpcFlags field of the
creature_template table.
It should be set to 0 (no gossip dialogue)
For more info: https://www.getmangos.eu/issue.php?issueid=676#note2306
Merge pull request #178 from Chuck5ta/Rel20

Braves in Tauren Starting area should not talk