Remove pyauto tests.

chrome/test/functional/perf.cfg

-# Copyright (c) 2012 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.
-
-# Configuration file for pyauto perf tests.
-# This file is used to specify google account credentials and
-# custom google account, gmail, docs, plus urls if you don't want to use
-# the public urls of these services. It is formatted as a python dictionary.
-
-{
-  # Set to custom username/password if desired.
-  # If you are external to Google, you must set username/password.
-  # If you are internal to Google, you can leave them as None
-  # and tests will try to use internal credential file. 
-  'username': None,
-  'password': None,
-
-  # Set to custom Google account url if desired.
-  'google_account_url': None,  # Defaults to 'https://accounts.google.com'
-
-  # Set to custom Gmail/Plus/Docs urls if desired.
-  # Only effective for perf_endure.py
-  'gmail_url': None,  # Defaults to 'https://www.gmail.com'
-  'plus_url': None,   # Defaults to 'https://plus.google.com'
-  'docs_url': None,   # Defaults to 'https://docs.google.com'
-}