time: delete comments that refer to noexistent symbols

Function do_timer_interrupt_hook() don't take argument regs,
and structure hrtimer_sleeper don't have member cb_pending.
So delete comments refering to these symbols.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>

include/asm-x86/mach-voyager/do_timer.h

@@ -6,7 +6,6 @@
 
 /**
  * do_timer_interrupt_hook - hook into timer tick
- * @regs:     standard registers from interrupt
  *
  * Call the pit clock event handler. see asm/i8253.h
  **/

include/linux/hrtimer.h

@@ -147,7 +147,6 @@ struct hrtimer_sleeper {
  * @get_time:		function to retrieve the current time of the clock
  * @get_softirq_time:	function to retrieve the current time from the softirq
  * @softirq_time:	the time when running the hrtimer queue in the softirq
- * @cb_pending:		list of timers where the callback is pending
  * @offset:		offset of this clock to the monotonic base
  * @reprogram:		function to reprogram the timer event
  */