Remove --disable-app-shims.

apps/app_shim/app_shim_mac.cc

Index: apps/app_shim/app_shim_mac.cc
diff --git a/apps/app_shim/app_shim_mac.cc b/apps/app_shim/app_shim_mac.cc
deleted file mode 100644
index a809fa74e58e1532a070c461e2135ce31b6fd80f..0000000000000000000000000000000000000000
--- a/apps/app_shim/app_shim_mac.cc
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2013 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 "apps/app_shim/app_shim_mac.h"
-
-#include "base/command_line.h"
-#include "chrome/common/chrome_switches.h"
-
-namespace apps {
-
-bool IsAppShimsEnabled() {
-  // Disable app shims in tests because shims created in ~/Applications will not
-  // be cleaned up.
-  return !(CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType) ||
-      CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableAppShims));
-}
-
-}  // namespace apps