can: c_can: remove duplicated #include

Remove duplicated #include('s) in
  drivers/net/can/c_can/c_can.c
  drivers/net/can/c_can/c_can_platform.c
Signed-off-by: NHuang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/can/c_can/c_can.c

@@ -33,7 +33,6 @@
 #include <linux/if_arp.h>
 #include <linux/if_ether.h>
 #include <linux/list.h>
-#include <linux/delay.h>
 #include <linux/io.h>
 
 #include <linux/can.h>

drivers/net/can/c_can/c_can_platform.c

@@ -27,7 +27,6 @@
 #include <linux/if_arp.h>
 #include <linux/if_ether.h>
 #include <linux/list.h>
-#include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>