telemetry: Remove Flash tab-switching benchmarks.

tools/perf/page_sets/flash_energy_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 page as page_module
-from telemetry.page import shared_page_state
-from telemetry import story
-
-
-class FlashEnergyCasesPage(page_module.Page):
-
-  def __init__(self, url, page_set):
-    super(FlashEnergyCasesPage, self).__init__(
-        url=url, page_set=page_set,
-        shared_page_state_class=shared_page_state.SharedDesktopPageState)
-    self.archive_data_file = 'data/flash_energy_cases.json'
-
-
-class FlashEnergyCasesPageSet(story.StorySet):
-
-  """ Pages with flash heavy content. """
-
-  def __init__(self):
-    super(FlashEnergyCasesPageSet, self).__init__(
-      archive_data_file='data/flash_energy_cases.json',
-      cloud_storage_bucket=story.PARTNER_BUCKET)
-
-    urls_list = [
-        # pylint: disable=line-too-long
-        'http://v.qq.com/cover/d/dm9vn9cnsn2v2gx.html?ptag=v.newplaybutton.program.dpjd',
-        'http://videos.huffingtonpost.com/politics/protesters-march-to-hong-kong-leaders-home-518476075',
-        'http://nos.nl/video/712855-eerste-beelden-na-de-aanslag-in-canada.html',
-        # Why: Large flash ad
-        'http://forum.gazeta.pl/forum/f,17007,Polityka_i_Gospodarka.html',
-        # Why: Multiple flash ads
-        'http://tinypic.com/',
-        'https://www.facebook.com/video.php?v=524346051035153&set=vb.134474600022302&type=2&theater'
-    ]
-
-    for url in urls_list:
-      self.AddStory(FlashEnergyCasesPage(url, self))