i40e: Fix function comments

Correct misleading function comment.

Change-ID: I3f66cff5cc00250a285756b6500a58fad8eba4b5
Signed-off-by: NAkeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: NCatherine Sullivan <catherine.sullivan@intel.com>
Tested-by: NKavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/i40e/i40e_main.c

@@ -1985,7 +1985,7 @@ static int i40e_vlan_rx_add_vid(struct net_device *netdev,
  * @netdev: network interface to be adjusted
  * @vid: vlan id to be removed
  *
- * net_device_ops implementation for adding vlan ids
+ * net_device_ops implementation for removing vlan ids
  **/
 static int i40e_vlan_rx_kill_vid(struct net_device *netdev,
 				 __always_unused __be16 proto, u16 vid)