Tests: backout unrelated change.
diff --git a/limit-req.t b/limit-req.t
index f56371b..d255342 100644
--- a/limit-req.t
+++ b/limit-req.t
@@ -29,7 +29,6 @@
 daemon         off;
 
 events {
-    use select;
 }
 
 http {