Remove Skia's forked buildbot code

slave/skia_slave_scripts/update_all_slave_hosts.py

Index: slave/skia_slave_scripts/update_all_slave_hosts.py
diff --git a/slave/skia_slave_scripts/update_all_slave_hosts.py b/slave/skia_slave_scripts/update_all_slave_hosts.py
deleted file mode 100644
index a80af651649138a57836fcd63d1009b0e20231cd..0000000000000000000000000000000000000000
--- a/slave/skia_slave_scripts/update_all_slave_hosts.py
+++ /dev/null
@@ -1,72 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 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.
-
-
-"""Update the root-level buildbot checkout on each buildslave host.
-
-This differs from UpdateScripts in that it updates the root-level buildbot
-script checkouts on ALL host machines, as opposed to a single buildslave's
-checkout of the buildbot scripts on a single host machine.
-"""
-
-
-import re
-import skia_vars
-import sys
-
-from build_step import BuildStep, BuildStepWarning
-from utils import force_update_checkout
-from py.utils import misc
-
-sys.path.append(misc.BUILDBOT_PATH)
-
-from scripts import run_cmd
-
-
-BUILDBOT_GIT_URL = skia_vars.GetGlobalVariable('buildbot_git_url')
-
-
-class UpdateAllSlaveHosts(BuildStep):
-  def _Run(self):
-    script_path = run_cmd.ResolvablePath('slave', 'skia_slave_scripts', 'utils',
-                                         'force_update_checkout.py')
-    sync_cmd = ['python', script_path]
-    results = run_cmd.run_on_all_slave_hosts(sync_cmd)
-    failed = []
-    for host in results.iterkeys():
-      print host,
-      # Check and report the results of the command for each build slave host.
-      if results[host].returncode != 0:
-        # If the command failed (or we failed to log in), print the output and
-        # report a failure.
-        failed.append(host)
-        results[host].print_results(pretty=True)
-      else:
-        # If the command succeeded, find and print the commit hash we synced
-        # to.  If we can't find it, then something must have failed, so
-        # print the output and report a failure.
-        match = re.search(
-            force_update_checkout.GOT_REVISION_PATTERN % ('(\w+)'),
-            results[host].stdout)
-        if match:
-          print '\t%s' % match.group(1)
-        else:
-          failed.append(host)
-          results[host].print_results(pretty=True)
-
-    if failed:
-      print
-      print 'Failed to update the following hosts:'
-      for failed_host in failed:
-        print ' ', failed_host
-
-    if failed:
-      # TODO(borenet): Make sure that we can log in to all hosts, then make this
-      # an error.
-      raise BuildStepWarning('Could not update some hosts.')
-
-
-if '__main__' == __name__:
-  sys.exit(BuildStep.RunBuildStep(UpdateAllSlaveHosts))