Remove sandbox on Windows.

sandbox/win/src/process_mitigations_win32k_policy.cc

Index: sandbox/win/src/process_mitigations_win32k_policy.cc
diff --git a/sandbox/win/src/process_mitigations_win32k_policy.cc b/sandbox/win/src/process_mitigations_win32k_policy.cc
deleted file mode 100644
index af18c5413c2815499f21e413403d6f9fd082daec..0000000000000000000000000000000000000000
--- a/sandbox/win/src/process_mitigations_win32k_policy.cc
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "sandbox/win/src/process_mitigations_win32k_policy.h"
-
-namespace sandbox {
-
-bool ProcessMitigationsWin32KLockdownPolicy::GenerateRules(
-    const wchar_t* name,
-    TargetPolicy::Semantics semantics,
-    LowLevelPolicy* policy) {
-  PolicyRule rule(FAKE_SUCCESS);
-  if (!policy->AddRule(IPC_GDI_GDIDLLINITIALIZE_TAG, &rule))
-    return false;
-  if (!policy->AddRule(IPC_GDI_GETSTOCKOBJECT_TAG, &rule))
-    return false;
-  if (!policy->AddRule(IPC_USER_REGISTERCLASSW_TAG, &rule))
-    return false;
-  return true;
-}
-
-}  // namespace sandbox
-