tun: drop TUN_DEBUG and tun_debug()

TUN_DEBUG and tun_debug() are no longer used anywhere, drop them.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kubecek 2020-03-04 17:24:20 +01:00 • committed by David S. Miller
commit 5af0907134