Remove duplicated #include('s) in
  drivers/net/igb/igb_main.c
Signed-off-by: NHuang Weiyi <weiyi.huang@gmail.com>
Acked-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>