Revert of Allow lexically declared "arguments" in function scope in sloppy mode.

test/mjsunit/regress/regress-4577.js

-// 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.
-
-function f(...arguments) {
-  return Array.isArray(arguments);
-}
-assertTrue(f());
-
-function g({arguments}) {
-  return arguments === 42;
-}
-assertTrue(g({arguments: 42}));
-
-function foo() {
-  let arguments = 2;
-  return arguments;
-}
-assertEquals(2, foo());
-
-assertThrows(function(x = arguments, arguments) {}, ReferenceError);