i40e: remove error msg when vf with port vlan tries to remove vlan 0

VF's attempt to delete vlan 0 when a port vlan is configured is harmless
in this case pf driver just does nothing.  If vf will try to remove
other vlans when a port vlan is configured it will still produce error
as before.
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

@@ -2766,6 +2766,7 @@ static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg)
 
 	vsi = pf->vsi[vf->lan_vsi_idx];
 	if (vsi->info.pvid) {
+		if (vfl->num_elements > 1 || vfl->vlan_id[0])
 			aq_ret = I40E_ERR_PARAM;
 		goto error_param;
 	}