timekeeping; Use ktime_t based data for ktime_get_boottime()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>

kernel/time/timekeeping.c

@@ -1565,23 +1565,6 @@ void get_monotonic_boottime(struct timespec *ts)
 }
 EXPORT_SYMBOL_GPL(get_monotonic_boottime);
 
-/**
- * ktime_get_boottime - Returns monotonic time since boot in a ktime
- *
- * Returns the monotonic time since boot in a ktime
- *
- * This is similar to CLOCK_MONTONIC/ktime_get, but also
- * includes the time spent in suspend.
- */
-ktime_t ktime_get_boottime(void)
-{
-	struct timespec ts;
-
-	get_monotonic_boottime(&ts);
-	return timespec_to_ktime(ts);
-}
-EXPORT_SYMBOL_GPL(ktime_get_boottime);
-
 /**
  * monotonic_to_bootbased - Convert the monotonic time to boot based.
  * @ts:		pointer to the timespec to be converted