aio / timers: Remove legacy qemu_clock_deadline & qemu_timerlist_deadline

Remove qemu_clock_deadline and qemu_timerlist_deadline now we are using
the ns functions throughout.
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

include/qemu/timer.h

@@ -140,7 +140,6 @@ bool qemu_clock_has_timers(QEMUClock *clock);
  * an expired timer
  */
 bool qemu_clock_expired(QEMUClock *clock);
-int64_t qemu_clock_deadline(QEMUClock *clock);
 
 /**
  * qemu_clock_deadline_ns:
@@ -245,21 +244,6 @@ bool timerlist_has_timers(QEMUTimerList *timer_list);
  */
 bool timerlist_expired(QEMUTimerList *timer_list);
 
-/**
- * timerlist_deadline:
- * @timer_list: the timer list to operate on
- *
- * Determine the deadline for a timer_list. This is
- * a legacy function which returns INT32_MAX if the
- * timer list has no timers or if the earliest timer
- * expires later than INT32_MAX nanoseconds away.
- *
- * Returns: the number of nanoseconds until the earliest
- * timer expires or INT32_MAX in the situations listed
- * above
- */
-int64_t timerlist_deadline(QEMUTimerList *timer_list);
-
 /**
  * timerlist_deadline_ns:
  * @timer_list: the timer list to operate on

qemu-timer.c

@@ -176,26 +176,6 @@ bool qemu_clock_expired(QEMUClock *clock)
     return timerlist_expired(clock->main_loop_timerlist);
 }
 
-int64_t timerlist_deadline(QEMUTimerList *timer_list)
-{
-    /* To avoid problems with overflow limit this to 2^32.  */
-    int64_t delta = INT32_MAX;
-
-    if (timer_list->clock->enabled && timer_list->active_timers) {
-        delta = timer_list->active_timers->expire_time -
-            qemu_get_clock_ns(timer_list->clock);
-    }
-    if (delta < 0) {
-        delta = 0;
-    }
-    return delta;
-}
-
-int64_t qemu_clock_deadline(QEMUClock *clock)
-{
-    return timerlist_deadline(clock->main_loop_timerlist);
-}
-
 /*
  * As above, but return -1 for no deadline, and do not cap to 2^32
  * as we know the result is always positive.