Revert the (wrong) fix of the argument index check asserion.

test/mjsunit/regress/regress-355486.js

Index: test/mjsunit/regress/regress-355486.js
diff --git a/test/mjsunit/regress/regress-355486.js b/test/mjsunit/regress/regress-355486.js
deleted file mode 100644
index 55362a13416335b72bfa1ff92bc29f7a04edbd65..0000000000000000000000000000000000000000
--- a/test/mjsunit/regress/regress-355486.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2014 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: --allow-natives-syntax
-
-function f() { var v = arguments[0]; }
-function g() { f(); }
-
-g();
-g();
-%OptimizeFunctionOnNextCall(g);
-g();