Remove legacy states from cache_temperature

telemetry/telemetry/page/cache_temperature.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.
 
 """
 Cache temperature specifies how the browser cache should be configured before
 the page run.
 
 See design doc for details:
 https://docs.google.com/document/u/1/d/12D7tkhZi887g9d0U2askU9JypU_wYiEI7Lw0bfwxUgA
 """
 
 import logging
 
 # Default Cache Temperature. The page doesn't care which browser cache state
 # it is run on.
 ANY = 'any'
 # Emulates cold runs. Clears various caches and data with using tab.ClearCache()
 # and tab.ClearDataForOrigin().
 COLD = 'cold'
 # Emulates warm runs. Ensures that the page was visited once before the run.
 WARM = 'warm'
 # Emulates hot runs. Ensures that the page was visited at least twice before
 # the run.
 HOT = 'hot'
 
-# These regacy states will be removed after chromium test scripts are adapted
-# to new states.
-PCV1_COLD = COLD
-PCV1_WARM = WARM
-
 class MarkTelemetryInternal(object):
 
   def __init__(self, browser, identifier):
     self.browser = browser
     self.identifier = identifier
 
   def __enter__(self):
     marker = 'telemetry.internal.%s.start' % self.identifier
     self.browser.tabs[0].ExecuteJavaScript(
         "console.time({{ marker }});", marker=marker)
@@ skipping 82 matching lines @@
             tab = browser.tabs[0]
             tab.Navigate("http://does.not.exist")
             tab.WaitForDocumentReadyStateToBeComplete()
         # Stop all service workers before running tests to measure the starting
         # time of service worker too.
         browser.tabs[0].StopAllServiceWorkers()
     else:
       ClearCacheAndData(browser, page.url)
       WarmCache(page, browser, WARM)
       WarmCache(page, browser, HOT)