Remove old annotated_steps buildbot scripts and dispatcher

tools/bots/pkg.py

-#!/usr/bin/python
-
-# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-# for details. All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
-
-"""
-Pkg buildbot steps.
-
-Runs tests for packages that are hosted in the main Dart repo and in
-third_party/pkg_tested.
-"""
-
-import os
-import re
-import sys
-
-import bot
-
-PKG_BUILDER = r'pkg-(linux|mac|win)(-(russian))?'
-
-def PkgConfig(name, is_buildbot):
-  """Returns info for the current buildbot based on the name of the builder.
-
-  Currently, this is just:
-  - system: "linux", "mac", or "win"
-  """
-  pkg_pattern = re.match(PKG_BUILDER, name)
-  if not pkg_pattern:
-    return None
-
-  system = pkg_pattern.group(1)
-  locale = pkg_pattern.group(3)
-  if system == 'win': system = 'windows'
-
-  return bot.BuildInfo('none', 'vm', 'release', system, checked=True,
-                       builder_tag=locale)
-
-def PkgSteps(build_info):
-  common_args = ['--write-test-outcome-log']
-  if build_info.builder_tag:
-    common_args.append('--builder-tag=%s' % build_info.builder_tag)
-
-  # There are a number of big/integration tests in pkg, run with bigger timeout
-  common_args.append('--timeout=120')
-  # We have some unreproducible vm crashes on these bots
-  common_args.append('--copy-coredumps')
-
-  bot.RunTest('pkg', build_info,
-              common_args + ['pkg', 'docs'],
-              swallow_error=True)
-
-  with bot.BuildStep('third_party pkg tests', swallow_error=True):
-    pkg_tested = os.path.join('third_party', 'pkg_tested')
-    for entry in os.listdir(pkg_tested):
-      path = os.path.join(pkg_tested, entry)
-      if os.path.isdir(path):
-        bot.RunTestRunner(build_info, path)
-
-
-if __name__ == '__main__':
-  bot.RunBot(PkgConfig, PkgSteps)