ice: remove unnecessary check for old MAC == new MAC

The check has been moved to core. The ndo_set_mac_address callback
is not being called with new MAC address equal to the old one anymore.
Signed-off-by: Piotr Gardocki <piotrx.gardocki@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/intel/ice/ice_main.c

@@ -5624,11 +5624,6 @@ static int ice_set_mac_address(struct net_device *netdev, void *pi)
 	if (!is_valid_ether_addr(mac))
 		return -EADDRNOTAVAIL;
 
-	if (ether_addr_equal(netdev->dev_addr, mac)) {
-		netdev_dbg(netdev, "already using mac %pM\n", mac);
-		return 0;
-	}
-
 	if (test_bit(ICE_DOWN, pf->state) ||
 	    ice_is_reset_in_progress(pf->state)) {
 		netdev_err(netdev, "can't set mac %pM. device not ready\n",