Revert of Add crash_service to Telemetry's isolates.

tools/telemetry/catapult_base/dependency_manager/dependency_manager.py

 # 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.
 
 import logging
 import os
 import stat
 
 from catapult_base import cloud_storage
 from catapult_base import support_binaries
@@ skipping 198 matching lines @@
 
     Args:
         dependency_info: A DependencyInfo instance for the dependency to be
             found and the platform it should run on.
 
     Returns: A path to a local file, or None if not found.
     """
     if dependency_info:
       paths = dependency_info.local_paths
       for local_path in paths:
-        logging.info('Trying local_path %s', local_path)
         if os.path.exists(local_path):
-          logging.info('local_path %s exists.', local_path)
           return local_path
     return None
 
   @staticmethod
   def _CloudStoragePath(dependency_info):
     """Return a path to a downloaded file for |dependency_info|.
 
     May not download the file if it has already been downloaded.
 
     Args:
@@ skipping 28 matching lines @@
     if not os.path.exists(download_dir):
       os.makedirs(download_dir)
 
     cloud_storage.GetIfHashChanged(cs_path, download_path, cs_bucket, cs_hash)
     if not os.path.exists(download_path):
       raise exceptions.FileNotFoundError(download_path)
     #TODO(aiolos): Add support for unzipping files.
     os.chmod(download_path,
              stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR | stat.S_IRGRP)
     return os.path.abspath(download_path)
+