fixup! Add Iter.NextWithTimeout

Author: bozaro

session.go

@@ -4372,11 +4372,6 @@ func (iter *Iter) NextWithTimeout(result interface{}, timeout time.Duration) boo
 	iter.m.Lock()
 	iter.timedout = false
 	deadline := time.Time{}
-	// for a ChangeStream iterator we have to call getMore before the loop otherwise
-	// we'll always return false
-	if iter.isChangeStream {
-		iter.getMore()
-	}
 	// check should we expect more data.
 	for iter.err == nil && iter.docData.Len() == 0 && (iter.docsToReceive > 0 || iter.op.cursorId != 0) {
 		// we should expect more data.