[Telemetry] Cleanup some unused variables in page_sets.

tools/perf/page_sets/intl_ko_th_vi.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 IntlKoThViPage(page_module.Page):
 
   def __init__(self, url, page_set):
     super(IntlKoThViPage, self).__init__(
         url=url, page_set=page_set,
         shared_page_state_class=shared_page_state.SharedDesktopPageState)
-    self.archive_data_file = 'data/intl_ko_th_vi.json'
 
 
 class IntlKoThViPageSet(story.StorySet):
 
   """ Popular pages in Korean, Thai and Vietnamese. """
 
   def __init__(self):
     super(IntlKoThViPageSet, self).__init__(
       archive_data_file='data/intl_ko_th_vi.json',
       cloud_storage_bucket=story.PARTNER_BUCKET)
@@ skipping 17 matching lines @@
       'http://www.donga.com/',
       'http://www.chosun.com/',
       'http://www.danawa.com/',
       # Why: #10 site in Thailand
       'http://pantip.com/',
       'http://thaimisc.com/'
     ]
 
     for url in urls_list:
       self.AddStory(IntlKoThViPage(url, self))