[CT] Update worker scripts to use new benchmarks and delete old benchmarks

ct/py/benchmarks/skpicture_printer.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.
-
-# This file has been copied from
-# https://chromium.googlesource.com/chromium/src/+/master/tools/perf/benchmarks/skpicture_printer.py
-# and modified locally to support CT pagesets. Hopefully one day this file
-# will live in telemetry codebase instead.
-
-from measurements import skpicture_printer
-from telemetry import benchmark
-from telemetry import story
-from telemetry.core import discover
-
-
-def _MatchPageSetName(story_set_name, story_set_base_dir):
-  story_sets = discover.DiscoverClasses(story_set_base_dir, story_set_base_dir,
-                                        story.StorySet).values()
-  for s in story_sets:
-    if story_set_name == s.Name():
-      return s
-  return None
-
-
-@benchmark.Disabled
-class SkpicturePrinter(benchmark.Benchmark):
-  @classmethod
-  def AddBenchmarkCommandLineArgs(cls, parser):
-    parser.add_option('--page-set-name',  action='store', type='string')
-    parser.add_option('--page-set-base-dir', action='store', type='string')
-    parser.add_option('-s', '--skp-outdir',
-                      help='Output directory for the SKP files')
-  @classmethod
-  def ProcessCommandLineArgs(cls, parser, args):
-    if not args.page_set_name:
-      parser.error('Please specify --page-set-name')
-    if not args.page_set_base_dir:
-      parser.error('Please specify --page-set-base-dir')
-    if not args.skp_outdir:
-      parser.error('Please specify --skp-outdir')
-
-  def CreatePageTest(self, options):
-    return skpicture_printer.SkpicturePrinter(options.skp_outdir)
-
-  def CreateStorySet(self, options):
-    story_set_class = _MatchPageSetName(options.page_set_name,
-                                        options.page_set_base_dir)
-    return story_set_class()