net: mdio: remove duplicated include from mdio_bus.c

Remove duplicated include linux/gpio/consumer.h
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/mdio_bus.c

@@ -38,7 +38,6 @@
 #include <linux/phy.h>
 #include <linux/io.h>
 #include <linux/uaccess.h>
-#include <linux/gpio/consumer.h>
 
 #include <asm/irq.h>