Remove www.thewildernessdowntown.com from canvas telemetry tests

tools/perf/page_sets/tough_canvas_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 import story
 
 
 class ToughCanvasCasesPage(page_module.Page):
 
   def __init__(self, url, page_set):
@@ skipping 43 matching lines @@
       'http://ie.microsoft.com/testdrive/Performance/SpeedReading/Default.html',
       'http://acko.net/dumpx/996b.html',
       'http://www.kevs3d.co.uk/dev/canvask3d/k3d_test.html',
       'http://www.megidish.net/awjs/',
       'http://themaninblue.com/experiment/AnimationBenchmark/canvas/',
       'http://mix10k.visitmix.com/Entry/Details/169',
       'http://www.craftymind.com/factory/guimark2/HTML5ChartingTest.html',
       'http://www.chiptune.com/starfield/starfield.html',
       'http://jarrodoverson.com/static/demos/particleSystem/',
       'http://www.effectgames.com/demos/canvascycle/',
-      'http://www.thewildernessdowntown.com/',
       'http://spielzeugz.de/html5/liquid-particles.html',
       'http://hakim.se/experiments/html5/magnetic/02/',
       'http://ie.microsoft.com/testdrive/Performance/LetItSnow/',
       # crbug.com/501406 causes OOM failures on perf bots
       # 'http://ie.microsoft.com/testdrive/Graphics/WorkerFountains/Default.html',
       'http://ie.microsoft.com/testdrive/Graphics/TweetMap/Default.html',
       'http://ie.microsoft.com/testdrive/Graphics/VideoCity/Default.html',
       'http://ie.microsoft.com/testdrive/Performance/AsteroidBelt/Default.html',
       'http://www.smashcat.org/av/canvas_test/',
       # pylint: disable=line-too-long
       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=canvas_sprite&back=canvas',
       # pylint: disable=line-too-long
       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=image_with_shadow&back=image',
       # pylint: disable=line-too-long
       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=filled_path&back=gradient',
       # pylint: disable=line-too-long
       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=text&back=white&ball_count=15',
       'file://tough_canvas_cases/canvas-font-cycler.html',
       'file://tough_canvas_cases/canvas-animation-no-clear.html',
       'file://tough_canvas_cases/canvas_toBlob.html',
       'file://../../../chrome/test/data/perf/canvas_bench/single_image.html',
       'file://../../../chrome/test/data/perf/canvas_bench/many_images.html'
     ]
 
     for url in urls_list:
       self.AddStory(ToughCanvasCasesPage(url, self))