undo messing inside libevent

We can't make changes to external packages that we happen to embed in Open MPI.
If changes need to be made to the external package, they should be made in that package itself.

Signed-off-by: Howard Pritchard <hppritcha@gmail.com>

Author: hppritcha

opal/mca/event/libevent2022/libevent/poll.c

@@ -162,9 +162,6 @@ poll_dispatch(struct event_base *base, struct timeval *tv)
 
 	EVBASE_RELEASE_LOCK(base, th_base_lock);
 
-	if (msec > 0) {
-		msec = 0;
-	}
 	res = poll(event_set, nfds, msec);
 
 	EVBASE_ACQUIRE_LOCK(base, th_base_lock);