Enable --harmony-trailing-commas

test/mjsunit/harmony/trailing-commas-length.js

Index: test/mjsunit/harmony/trailing-commas-length.js
diff --git a/test/mjsunit/harmony/trailing-commas-length.js b/test/mjsunit/harmony/trailing-commas-length.js
index 9d5e59c16b6dd81519dc3773a10043b1eef1bac9..8e2fd51408b0176fdc983f96109e2faa337b8c41 100644
--- a/test/mjsunit/harmony/trailing-commas-length.js
+++ b/test/mjsunit/harmony/trailing-commas-length.js
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-trailing-commas
-
 function f1(a,) {}
 function f2(a,b,) {}
 function f3(a,b,c,) {}