This change removes useless default_gateway variable from the globals
and from the hiera because it used only in the netconfig task and we
have puppet function get_default_gateways() to get the gateways.
Change-Id: If5bc23ddc8b48320ba85f63354d3ebc4e68bb4f7
Closes-Bug: #1593775
Signed-off-by: Maksim Malchuk <mmalchuk@mirantis.com>
(cherry picked from commit 75e460ab92)