[intl] Remove redundant type checking system

test/mjsunit/regress/regress-677055.js

Index: test/mjsunit/regress/regress-677055.js
diff --git a/test/mjsunit/regress/regress-677055.js b/test/mjsunit/regress/regress-677055.js
new file mode 100644
index 0000000000000000000000000000000000000000..d65cec8edd68dd2e97bcdb3463edd8264dfac2b9
--- /dev/null
+++ b/test/mjsunit/regress/regress-677055.js
@@ -0,0 +1,11 @@
+// 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.
+
+if (this.Intl) {
+  v5 = new Intl.NumberFormat();
+  v9 = new Intl.DateTimeFormat();
+  v52 = v9["formatToParts"];
+  var v55 = {};
+  assertThrows(() => Reflect.apply(v52, v5, v55), TypeError);
+}