r8169: use default watchdog timeout

The networking core has a default watchdog timeout of 5s. I see no
need to define an own timeout of 6s which is basically the same.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed