ax25: Remove superfuous "return" from ax25_ds_set_timer

Remove the explicit call to "return" in the void ax25_ds_set_timer
function that was introduced in 78a7b5db ("ax.25: x.25: Remove the
now superfluous sentinel elements from ctl_table array").
Signed-off-by: Joel Granados <j.granados@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ax25/ax25_ds_timer.c

@@ -55,7 +55,6 @@ void ax25_ds_set_timer(ax25_dev *ax25_dev)
 	ax25_dev->dama.slave_timeout =
 		msecs_to_jiffies(ax25_dev->values[AX25_VALUES_DS_TIMEOUT]) / 10;
 	mod_timer(&ax25_dev->dama.slave_timer, jiffies + HZ);
-	return;
 }
 
 /*