This patch removes the kfree of the netdev priv in device_event() upon
NETDEV_UNREGISTER event. The freeing of memory is taken care of by the
netdev destructor.
Signed-off-by: NLukasz Duda <lukasz.duda@nordicsemi.no>
Signed-off-by: NGlenn Ruben Bakke <glenn.ruben.bakke@nordicsemi.no>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>