Remove telemetry reference builds from chromium DEPS.

tools/copyright_scanner/copyright_scanner.py

 # Copyright 2014 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.
 
 """Utilities for scanning source files to determine code authorship.
 """
 
 import itertools
 
 def ForwardSlashesToOsPathSeps(input_api, path):
@@ skipping 31 matching lines @@
     path_join('.git'),
     path_join('.svn'),
     # Build output
     path_join('out', 'Debug'),
     path_join('out', 'Release'),
     # 'Copyright' appears in license agreements
     path_join('chrome', 'app', 'resources'),
     # Quickoffice js files from internal src used on buildbots.
     # crbug.com/350472.
     path_join('chrome', 'browser', 'resources', 'chromeos', 'quickoffice'),
-    # This is a test output directory
-    path_join('chrome', 'tools', 'test', 'reference_build'),
     # blink style copy right headers.
     path_join('content', 'shell', 'renderer', 'test_runner'),
     # blink style copy right headers.
     path_join('content', 'shell', 'tools', 'plugin'),
     # This is tests directory, doesn't exist in the snapshot
     path_join('content', 'test', 'data'),
     # This is a tests directory that doesn't exist in the shipped product.
     path_join('gin', 'test'),
     # This is a test output directory
     path_join('data', 'dom_perf'),
@@ skipping 330 matching lines @@
         'The following files are whitelisted in %s, ' \
         'but do not exist or not files:' % _GetWhitelistFileName(input_api),
         sorted(missing_files)))
   if stale_files:
     results.append(output_api.PresubmitPromptWarning(
         'The following files are whitelisted unnecessarily. You must ' \
         'remove the following files from the whitelist file ' \
         '%s:' % _GetWhitelistFileName(input_api),
         sorted(stale_files)))
   return results