Remove GYP files in breakpad, build, and tools.

build/android/v8_external_startup_data_arch_suffix.gypi

-# Copyright (c) 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.
-
-{
-  'variables': {
-    'arch_suffix': '<(arch_suffix)',
-    'variables': {
-      # This help to find out if target_arch is set to something else.
-      'arch_suffix': '<(target_arch)',
-      'conditions': [
-        ['target_arch=="arm" or target_arch=="ia32" or target_arch=="mipsel"', {
-          'arch_suffix': '32',
-        }],
-        ['target_arch=="arm64" or target_arch=="x64" or target_arch=="mips64el"', {
-          'arch_suffix':'64'
-        }],
-      ],
-    }
-  }
-}