Removing verify_names=True now that the default for verify_names is True

tools/perf/page_sets/idle_after_loading_stories.py

 # Copyright 2016 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
 
 # Chrome has high idle CPU usage on these sites, even after they have quiesced.
 SITES = [
   # https://bugs.chromium.org/p/chromium/issues/detail?id=505990
   # TODO(charliea): Temporarily disable this site, since it causes tracing to
@@ skipping 29 matching lines @@
     action_runner.Wait(self._wait_in_seconds)
 
 
 class IdleAfterLoadingStories(story.StorySet):
   """Historically, Chrome has high CPU usage on these sites after the page has
   loaded. These user stories let Chrome idle on the page."""
 
   def __init__(self, wait_in_seconds=0):
     super(IdleAfterLoadingStories, self).__init__(
         archive_data_file='data/idle_after_loading_stories.json',
-        cloud_storage_bucket=story.PARTNER_BUCKET,
-        verify_names=True)
+        cloud_storage_bucket=story.PARTNER_BUCKET)
 
     # Chrome has high idle CPU usage on this site, even after its quiesced.
     # https://crbug.com/638365.
     for url in SITES:
       self.AddStory(_BasePage(self, url, wait_in_seconds, url))