lan743x: lan743x: Remove duplicated include from lan743x_ptp.c

Remove duplicated include.
Signed-off-by: NYue Haibing <yuehaibing@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/microchip/lan743x_ptp.c

@@ -6,7 +6,6 @@
 
 #include <linux/module.h>
 #include <linux/pci.h>
-#include <linux/netdevice.h>
 #include <linux/net_tstamp.h>
 
 #include "lan743x_ptp.h"