InnoDB fixup: remove debug assertion that causes compile error

when UNIV_DEBUG is defined (introduced in ChangeSet@1.1850)


innobase/que/que0que.c:
  Remove ut_ad() reference to removed parameter next_thr

innobase/que/que0que.c

@@ -190,8 +190,6 @@ que_thr_end_wait(
 	ut_ad(mutex_own(&kernel_mutex));
 #endif /* UNIV_SYNC_DEBUG */
 	ut_ad(thr);
-	ut_ad(next_thr);
-	ut_ad(*next_thr == NULL);
 	ut_ad((thr->state == QUE_THR_LOCK_WAIT)
 	      || (thr->state == QUE_THR_PROCEDURE_WAIT)
 	      || (thr->state == QUE_THR_SIG_REPLY_WAIT));