r8169: remove driver-specific mutex

Now that the critical sections are protected with RTNL lock, we don't
need a separate mutex any longer.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2020-06-20 22:38:55 +02:00 • committed by David S. Miller
commit 06a14ab852