MIPS: Remove dead code

Remove the unused <asm/mach-jz4740/clock.h> include.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

arch/mips/jz4740/platform.c

@@ -30,8 +30,6 @@
 #include <linux/serial_core.h>
 #include <linux/serial_8250.h>
 
-#include "clock.h"
-
 /* USB Device Controller */
 struct platform_device jz4740_udc_xceiv_device = {
 	.name = "usb_phy_generic",