Delete orphaned download_node.py script.

Node is no longer needed as we use a prebuilt AppRTC
since https://codereview.chromium.org/1565173002. That
CL just forgot to delete download_node.py

BUG=569494
R=mbonadei@chromium.org

Review-Url: https://codereview.chromium.org/2864463003 .
diff --git a/download_node.py b/download_node.py
deleted file mode 100755
index 8d8d82c..0000000
--- a/download_node.py
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/usr/bin/python
-# 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.
-
-"""Downloads the node binaries from WebRTC storage and unpacks it.
-
-Requires that depot_tools is installed and in the PATH. This script expects
-to run with Chrome's base dir as the working directory, e.g. where the .gclient
-file is. This is what should happen if this script is invoked as a hook action.
-"""
-
-import glob
-import os
-import sys
-import tarfile
-import zipfile
-
-import utils
-
-
-def _GetNodeArchivePathForPlatform():
-  archive_extension = 'zip' if utils.GetPlatform() == 'win' else 'tar.gz'
-  return os.path.join(utils.GetPlatform(), 'node.%s' % archive_extension)
-
-
-def _StripVersionNumberFromNodeDir():
-  # The node dir will be called node-x-x-x.tar.gz, rename to just node.
-  unpacked_name = glob.glob('node*')
-  assert len(unpacked_name) == 1, 'Should have precisely one node!'
-  os.rename(unpacked_name[0], 'node')
-
-
-def main(argv):
-  if len(argv) == 1:
-    return 'Usage: %s <path to webrtc.DEPS>' % argv[0]
-  if not os.path.exists('.gclient'):
-    return 'Invoked from wrong dir; invoke from dir with .gclient'
-
-  webrtc_deps_path = argv[1]
-  node_path = os.path.join(webrtc_deps_path, 'node')
-  archive_path = os.path.join(node_path, _GetNodeArchivePathForPlatform())
-  old_archive_sha1 = utils.ComputeSHA1(archive_path)
-
-  utils.DownloadFilesFromGoogleStorage(node_path)
-
-  if (old_archive_sha1 != utils.ComputeSHA1(archive_path)
-      or not os.path.exists('node')):
-    utils.DeleteDirNextToGclient('node')
-    utils.UnpackToWorkingDir(archive_path)
-    _StripVersionNumberFromNodeDir()
-
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))