Remove --intl-extra flag

test/intl/extra-flag.js

Index: test/intl/extra-flag.js
diff --git a/test/intl/extra-flag.js b/test/intl/extra-flag.js
deleted file mode 100644
index 3d434a302bc0fc986eeca2205c3504823f3e2a04..0000000000000000000000000000000000000000
--- a/test/intl/extra-flag.js
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2016 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --intl-extra
-
-// Turning on the creates the non-standard properties
-
-var dtf = new Intl.DateTimeFormat(['en']);
-assertTrue('v8Parse' in dtf);
-assertTrue('resolved' in dtf);
-assertTrue(!!dtf.resolved && 'pattern' in dtf.resolved);
-
-var nf = new Intl.NumberFormat(['en']);
-assertTrue('v8Parse' in nf);
-assertTrue('resolved' in nf);
-assertTrue(!!nf.resolved && 'pattern' in nf.resolved);
-
-var col = new Intl.Collator(['en']);
-assertTrue('resolved' in col);
-
-var br = new Intl.v8BreakIterator(['en']);
-assertTrue('resolved' in br);