Remove GYP files in breakpad, build, and tools.

build/linux/unbundle/zlib.gyp

Index: build/linux/unbundle/zlib.gyp
diff --git a/build/linux/unbundle/zlib.gyp b/build/linux/unbundle/zlib.gyp
deleted file mode 100644
index ec80d4aeb4dfae9b86c7733482ee481ce319ce58..0000000000000000000000000000000000000000
--- a/build/linux/unbundle/zlib.gyp
+++ /dev/null
@@ -1,48 +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.
-
-{
-  'targets': [
-    {
-      'target_name': 'zlib',
-      'type': 'none',
-      'variables': {
-        'headers_root_path': '.',
-        'header_filenames': [
-          'zlib.h',
-        ],
-      },
-      'includes': [
-        '../../build/shim_headers.gypi',
-      ],
-      'direct_dependent_settings': {
-        'defines': [
-          'USE_SYSTEM_ZLIB',
-        ],
-      },
-      'link_settings': {
-        'libraries': [
-          '-lz',
-        ],
-      },
-    },
-    {
-      'target_name': 'minizip',
-      'type': 'static_library',
-      'all_dependent_settings': {
-        'defines': [
-          'USE_SYSTEM_MINIZIP',
-        ],
-      },
-      'defines': [
-        'USE_SYSTEM_MINIZIP',
-      ],
-      'link_settings': {
-        'libraries': [
-          '-lminizip',
-        ],
-      },
-    },
-  ],
-}