d5ea235865
L3-agent router_id option has been defined in order to associate a l3-agent to a specific router when use_namespaces=False. The option use_namespaces has been removed in Mitaka, so router_id option is no longer needed and can be deprecated in order to prepare its removal in N cycle. Closes-Bug: #1518776 Change-Id: Id79499ccbf3ea69ca4cd7e4b2f812f6dbc0406e0