Remove GYP files.

chromeos/chromeos_tools.gypi

Index: chromeos/chromeos_tools.gypi
diff --git a/chromeos/chromeos_tools.gypi b/chromeos/chromeos_tools.gypi
deleted file mode 100644
index b634240b85db464060465d7c72f315f5b66181de..0000000000000000000000000000000000000000
--- a/chromeos/chromeos_tools.gypi
+++ /dev/null
@@ -1,19 +0,0 @@
-# Copyright (c) 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.
-
-{
-  'targets' : [
-    {
-      'target_name': 'onc_validator',
-      'type': 'executable',
-      'dependencies': [
-        '../base/base.gyp:base',
-        'chromeos.gyp:chromeos',
-      ],
-      'sources': [
-        'tools/onc_validator/onc_validator.cc',
-      ],
-    },
-  ],
-}