[test] Drop flaky test mjsunit/compiler/deopt-arguments-oob.

test/mjsunit/compiler/deopt-arguments-oob.js

-// 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: --allow-natives-syntax
-
-function foo() { return arguments[0]; }
-
-// Warm up with monomorphic access.
-foo(0);
-foo(1);
-%BaselineFunctionOnNextCall(foo);
-foo(2);
-foo(3);
-%OptimizeFunctionOnNextCall(foo);
-
-// Mess with out-of-bounds accesses.
-for (var i = 0; i < 50000; ++i) {
-  foo();
-}
-
-// Optimization shall stabilize now.
-var count = %GetOptimizationCount(foo);
-for (var i = 0; i < 50000; ++i) {
-  foo();
-}
-assertEquals(count, %GetOptimizationCount(foo));