sh: Kill off dead handle_timer_tick() code.

Nothing is using this anymore now that we have fully converted to generic
time, so kill it off completely.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/include/asm/timer.h

@@ -18,17 +18,12 @@ struct sys_timer {
 	struct sys_timer_ops	*ops;
 };
 
-#define TICK_SIZE (tick_nsec / 1000)
-
 extern struct sys_timer tmu_timer;
 extern struct sys_timer *sys_timer;
 
 /* arch/sh/kernel/timers/timer.c */
 struct sys_timer *get_sys_timer(void);
 
-/* arch/sh/kernel/time.c */
-void handle_timer_tick(void);
-
 extern struct clocksource clocksource_sh;
 
 #endif /* __ASM_SH_TIMER_H */