igb: remove unused switch statement from igb_set_wol

There is a switch statement in igb_set_wol that defaults to break and
doesn't actually do anything.  As such it should be removed.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/igb/igb_ethtool.c

@@ -1836,7 +1836,6 @@ static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 static int igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
-	struct e1000_hw *hw = &adapter->hw;
 
 	if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
 		return -EOPNOTSUPP;
@@ -1845,11 +1844,6 @@ static int igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 	    !device_can_wakeup(&adapter->pdev->dev))
 		return wol->wolopts ? -EOPNOTSUPP : 0;
 
-	switch (hw->device_id) {
-	default:
-		break;
-	}
-
 	/* these settings will always override what we currently have */
 	adapter->wol = 0;