Remove GYP files in breakpad, build, and tools.

build/android/java_google_api_keys.gyp

-# Copyright 2015 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.
-
-# This file provides an action to generate Java source files from the Google
-# API keys using a Python script.
-
-{
-  'targets': [
-    {
-      'target_name': 'google_api_keys_java',
-      'type': 'none',
-      'variables': {
-        # Location where all generated Java sources will be placed.
-        'output_dir': '<(SHARED_INTERMEDIATE_DIR)/java_google_api_keys',
-        'generator_path': '<(DEPTH)/build/android/gyp/java_google_api_keys.py',
-        'output_file': '<(output_dir)/GoogleAPIKeys.java',
-      },
-      'direct_dependent_settings': {
-        'variables': {
-          # Ensure that the output directory is used in the class path
-          # when building targets that depend on this one.
-          'generated_src_dirs': [
-            '<(output_dir)/',
-          ],
-        },
-      },
-      'actions': [
-        {
-          'action_name': 'generate_java_google_api_keys',
-          'inputs': [
-            '<(generator_path)',
-          ],
-          'outputs': [
-            '<(output_file)',
-          ],
-          'action': [
-            'python', '<(generator_path)', '--out', '<(output_file)'
-          ],
-          'message': 'Generating Java from Google API Keys header',
-        },
-      ],
-    },
-  ],
-}