atl1e: Remove non-implementation of ethtool set_msglevel() operation

Unimplemented operations should not silently fail.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/atl1e/atl1e_ethtool.c

@@ -140,10 +140,6 @@ static u32 atl1e_get_msglevel(struct net_device *netdev)
 #endif
 }
 
-static void atl1e_set_msglevel(struct net_device *netdev, u32 data)
-{
-}
-
 static int atl1e_get_regs_len(struct net_device *netdev)
 {
 	return AT_REGS_LEN * sizeof(u32);
@@ -382,7 +378,6 @@ static const struct ethtool_ops atl1e_ethtool_ops = {
 	.get_wol                = atl1e_get_wol,
 	.set_wol                = atl1e_set_wol,
 	.get_msglevel           = atl1e_get_msglevel,
-	.set_msglevel           = atl1e_set_msglevel,
 	.nway_reset             = atl1e_nway_reset,
 	.get_link               = ethtool_op_get_link,
 	.get_eeprom_len         = atl1e_get_eeprom_len,