time: Remove unused __get_wall_to_monotonic()

No users left. Remove it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

include/linux/time.h

@@ -125,7 +125,6 @@ extern int timekeeping_suspended;
 unsigned long get_seconds(void);
 struct timespec current_kernel_time(void);
 struct timespec __current_kernel_time(void); /* does not take xtime_lock */
-struct timespec __get_wall_to_monotonic(void); /* does not take xtime_lock */
 struct timespec get_monotonic_coarse(void);
 void get_xtime_and_monotonic_offset(struct timespec *xtim, struct timespec *wtom);
 

kernel/time/timekeeping.c

@@ -910,11 +910,6 @@ struct timespec __current_kernel_time(void)
 	return xtime;
 }
 
-struct timespec __get_wall_to_monotonic(void)
-{
-	return wall_to_monotonic;
-}
-
 struct timespec current_kernel_time(void)
 {
 	struct timespec now;