[intel] Remove duplicate intelvf_mbox_queues() function

Commit db34436 ("[intel] Strip spurious VLAN tags received by virtual
function NICs") accidentally introduced two copies of the
intel[x]vf_mbox_queues() function.  Remove the unintended copy.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/drivers/net/intelvf.c

@@ -338,44 +338,3 @@ int intelvf_mbox_set_mtu ( struct intel_nic *intel, size_t mtu ) {
 
 	return 0;
 }
-
-/**
- * Get queue configuration
- *
- * @v intel		Intel device
- * @v vlan_thing	VLAN hand-waving thing to fill in
- * @ret rc		Return status code
- */
-int intelvf_mbox_queues ( struct intel_nic *intel, int *vlan_thing ) {
-	union intelvf_msg msg;
-	int rc;
-
-	/* Send queue configuration message */
-	memset ( &msg, 0, sizeof ( msg ) );
-	msg.hdr = INTELVF_MSG_TYPE_GET_QUEUES;
-	if ( ( rc = intelvf_mbox_msg ( intel, &msg ) ) != 0 ) {
-		DBGC ( intel, "INTEL %p get queue configuration failed: %s\n",
-		       intel, strerror ( rc ) );
-		return rc;
-	}
-
-	/* Check response */
-	if ( ( msg.hdr & INTELVF_MSG_TYPE_MASK ) !=INTELVF_MSG_TYPE_GET_QUEUES){
-		DBGC ( intel, "INTEL %p get queue configuration unexpected "
-		       "response:\n", intel );
-		DBGC_HDA ( intel, 0, &msg, sizeof ( msg ) );
-		return -EPROTO;
-	}
-
-	/* Check that we were allowed to get the queue configuration */
-	if ( ! ( msg.hdr & INTELVF_MSG_ACK ) ) {
-		DBGC ( intel, "INTEL %p get queue configuration refused\n",
-		       intel );
-		return -EPERM;
-	}
-
-	/* Extract VLAN hand-waving thing */
-	*vlan_thing = msg.queues.vlan_thing;
-
-	return 0;
-}