ixgbe: remove ntuple display support

This change removes the ntuple display support from ixgbe.  The reason for
this change is to resolve a number of issues in the way display filtering
is handled.

I plan to add support for displaying these filters via the network flow
classifier interface.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 5005a36..6cf1c71 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1030,9 +1030,6 @@
 		return IXGBE_TEST_LEN;
 	case ETH_SS_STATS:
 		return IXGBE_STATS_LEN;
-	case ETH_SS_NTUPLE_FILTERS:
-		return ETHTOOL_MAX_NTUPLE_LIST_ENTRY *
-		       ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY;
 	default:
 		return -EOPNOTSUPP;
 	}
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 200ae7e..dbe29e5 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -4203,9 +4203,6 @@
 		break;
 	}
 
-	/* clear n-tuple filters that are cached */
-	ethtool_ntuple_flush(netdev);
-
 	if (!pci_channel_offline(adapter->pdev))
 		ixgbe_reset(adapter);