can: af_can: can_pernet_exit(): no need to iterate over and cleanup registered CAN devices
The networking core takes care and unregisters every network device in a namespace before calling the can_pernet_exit() hook. This patch removes the unneeded cleanup. Acked-by:Oliver Hartkopp <socketcan@hartkopp.net> Suggested-by:
Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by:
Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by:
Marc Kleine-Budde <mkl@pengutronix.de>
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