Remove page_cycler_v2.tough_layout_cases

tools/perf/page_sets/tough_layout_cases.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.
-from telemetry.page import cache_temperature as cache_temperature_module
-from telemetry.page import page as page_module
-from telemetry.page import shared_page_state
-from telemetry import story
-
-
-class ToughLayoutCasesPage(page_module.Page):
-
-  def __init__(self, url, page_set, cache_temperature=None):
-    super(ToughLayoutCasesPage, self).__init__(
-        url=url, page_set=page_set, credentials_path = 'data/credentials.json',
-        shared_page_state_class=shared_page_state.SharedDesktopPageState,
-        cache_temperature=cache_temperature)
-    self.archive_data_file = 'data/tough_layout_cases.json'
-
-
-class ToughLayoutCasesPageSet(story.StorySet):
-
-  """
-  The slowest layouts observed in the alexa top 1 million sites in  July 2013.
-  """
-
-  def __init__(self, cache_temperatures=None):
-    super(ToughLayoutCasesPageSet, self).__init__(
-      archive_data_file='data/tough_layout_cases.json',
-      cloud_storage_bucket=story.PARTNER_BUCKET)
-    if cache_temperatures is None:
-      cache_temperatures = [cache_temperature_module.ANY]
-
-    urls_list = [
-      'http://oilevent.com',
-      'http://www.muzoboss.ru',
-      'http://natunkantha.com',
-      'http://www.mossiella.com',
-      'http://bookish.com',
-      'http://mydiyclub.com',
-      'http://amarchoti.blogspot.com',
-      'http://picarisimo.es',
-      'http://chinaapache.com',
-      'http://indoritel.com'
-    ]
-
-    for url in urls_list:
-      for temp in cache_temperatures:
-        self.AddStory(ToughLayoutCasesPage(url, self, cache_temperature=temp))