Removes files from //build that we don't need

build/config/ios/find_signing_identity.py

-#!/usr/bin/python
-# 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.
-
-import subprocess
-import sys
-import re
-
-def ListIdentities():
-  return subprocess.check_output([
-    '/usr/bin/env',
-    'xcrun',
-    'security',
-    'find-identity',
-    '-v',
-    '-p',
-    'codesigning',
-  ]).strip()
-
-
-def FindValidIdentity():
-  lines = ListIdentities().splitlines()
-  # Look for something like "2) XYZ "iPhone Developer: Name (ABC)""
-  exp = re.compile('.*\) ([A-F|0-9]*)(.*)')
-  for line in lines:
-    res = exp.match(line)
-    if res is None:
-      continue
-    if "iPhone Developer: Google Development" in res.group(2):
-      return res.group(1)
-  return ""
-
-
-if __name__ == '__main__':
-  print FindValidIdentity()