Remove unused app_mode_app_tests.cc

chrome/test/base/app_mode_app_tests.cc

Index: chrome/test/base/app_mode_app_tests.cc
diff --git a/chrome/test/base/app_mode_app_tests.cc b/chrome/test/base/app_mode_app_tests.cc
deleted file mode 100644
index 16a5205e925e9840d606126e4f99191f6c41785b..0000000000000000000000000000000000000000
--- a/chrome/test/base/app_mode_app_tests.cc
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright (c) 2012 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 "build/build_config.h"
-
-#include "base/test/test_suite.h"
-
-int main(int argc, char** argv) {
-  return base::TestSuite(argc, argv).Run();
-}