igbvf: Remove unnecessary irq disable/enable

This irq disable/enable pair used to wrap access to the driver's vlgrp
struct, which is no longer present. So, then, this could also so no longer
be present.

Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

@@ -1194,11 +1194,6 @@ static int igbvf_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
 	struct igbvf_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
 
-	igbvf_irq_disable(adapter);
-
-	if (!test_bit(__IGBVF_DOWN, &adapter->state))
-		igbvf_irq_enable(adapter);
-
 	if (hw->mac.ops.set_vfta(hw, vid, false)) {
 		dev_err(&adapter->pdev->dev,
 		        "Failed to remove vlan id %d\n", vid);