Delete all_page_actions, which is now empty.

content/test/gpu/page_sets/gpu_process_tests.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.
-# pylint: disable=W0401,W0614
-from telemetry.page.actions.all_page_actions import *
 from telemetry.page import page as page_module
 from telemetry.page import page_set as page_set_module
 
 
 class GpuProcessTestsPage(page_module.Page):
 
   def __init__(self, url, name, page_set):
     super(GpuProcessTestsPage, self).__init__(url=url, page_set=page_set,
                                               name=name)
     self.user_agent_type = 'desktop'
@@ skipping 30 matching lines @@
       ('file://../../data/gpu/functional_3d_css.html',
        'GpuProcess.css3d'),
       ('file://../../data/gpu/functional_webgl.html',
        'GpuProcess.webgl')
     ]
 
     for url, name in urls_and_names_list:
       self.AddPage(GpuProcessTestsPage(url, name, self))
 
     self.AddPage(FunctionalVideoPage(self))