Remove WillRunPageRepeat and DidRunPageRpeat hooks since they are not used.

tools/telemetry/telemetry/page/page_runner.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.
 
 import collections
 import logging
 import optparse
 import os
 import random
 import sys
@@ skipping 405 matching lines @@
     # Support overriding this from the command line.
     max_failures = finder_options.max_failures
 
   try:
     test.WillRunTest(finder_options)
     for _ in xrange(0, finder_options.pageset_repeat):
       for page in pages:
         if test.IsExiting():
           break
 
-        test.WillRunPageRepeats(page)
         for _ in xrange(0, finder_options.page_repeat):
           results.WillRunPage(page)
           try:
             _PrepareAndRunPage(
                 test, page_set, expectations, finder_options, browser_options,
                 page, credentials_path, possible_browser, results, state)
           finally:
             discard_run = False
             if state.first_page[page]:
               state.first_page[page] = False
               if test.discard_first_result:
                 discard_run = True
             results.DidRunPage(page, discard_run=discard_run)
-        test.DidRunPageRepeats(page)
         if (not max_failures is None and
             len(results.failures) > max_failures):
           logging.error('Too many failures. Aborting.')
           test.RequestExit()
 
   finally:
     test.DidRunTest(state.browser, results)
     state.StopBrowser()
 
   return
@@ skipping 135 matching lines @@
     logging.warning('Device is thermally throttled before running '
                     'performance tests, results will vary.')
 
 
 def _CheckThermalThrottling(platform):
   if not platform.CanMonitorThermalThrottling():
     return
   if platform.HasBeenThermallyThrottled():
     logging.warning('Device has been thermally throttled during '
                     'performance tests, results will vary.')