Remove destructuring and default arguments runtime flags

test/mjsunit/harmony/regress/regress-4585.js

Index: test/mjsunit/harmony/regress/regress-4585.js
diff --git a/test/mjsunit/harmony/regress/regress-4585.js b/test/mjsunit/harmony/regress/regress-4585.js
deleted file mode 100644
index ada91c67ca48cd78dcbb2733d2c711fe20cf6405..0000000000000000000000000000000000000000
--- a/test/mjsunit/harmony/regress/regress-4585.js
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2015 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: --harmony-destructuring-bind
-
-assertThrows(`for(const { method() {} } = this) {}`, SyntaxError);
-assertThrows(`var { method() {} } = this;`, SyntaxError);
-assertThrows(`for(const { *method() {} } = this) {}`, SyntaxError);
-assertThrows(`var { *method() {} } = this;`, SyntaxError);
-assertThrows(`for(var { get foo() {} } = this) {}`, SyntaxError);
-assertThrows(`for(var { set foo() {} } = this) {}`, SyntaxError);
-
-// Still OK in other objects
-for (var { name = "" + { toString() { return "test" } } } in { a: 1}) break;
-assertEquals(name, "test");