net: Remove unnecessary driver assignments of ethtool_ringparam fields to zero

Per comments from Ben Hutchings on a previous patch, sweep the floors
a little removing unnecessary assignments of zero to fields of struct
ethtool_ringparam in driver code supporting ethtool -g.

Signed-off-by: Rick Jones <rick.jones2@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/igbvf/ethtool.c

@@ -259,12 +259,8 @@ static void igbvf_get_ringparam(struct net_device *netdev,
 
 	ring->rx_max_pending = IGBVF_MAX_RXD;
 	ring->tx_max_pending = IGBVF_MAX_TXD;
-	ring->rx_mini_max_pending = 0;
-	ring->rx_jumbo_max_pending = 0;
 	ring->rx_pending = rx_ring->count;
 	ring->tx_pending = tx_ring->count;
-	ring->rx_mini_pending = 0;
-	ring->rx_jumbo_pending = 0;
 }
 
 static int igbvf_set_ringparam(struct net_device *netdev,