Stop triggering perf tests on Mac HDD

tools/perf/generate_perf_json.py

 #!/usr/bin/env python
 # 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.
 
 """Script to generate chromium.perf.json and chromium.perf.fyi.json in
 the src/testing/buildbot directory. Maintaining these files by hand is
 too unwieldy.
 """
 
@@ skipping 362 matching lines @@
     swarming=[
       {
        'gpu': '8086:0d26',
        'os': 'Mac-10.11',
        'device_ids': [
            'build4-b1', 'build5-b1', 'build6-b1', 'build7-b1', 'build8-b1'
           ]
       }
     ])
   waterfall = add_tester(
-    waterfall, 'Mac HDD Perf', 'chromium-rel-mac-hdd', 'mac',
-    swarming=[
-      {
-       'gpu': '10de:08a4',
-       'os': 'Mac-10.10',
-       'device_ids': [
-           'build24-b1', 'build25-b1',
-           'build26-b1', 'build27-b1', 'build28-b1'
-          ]
-      }
-    ])
-  waterfall = add_tester(
     waterfall, 'Mac Pro 10.11 Perf',
     'chromium-rel-mac11-pro', 'mac',
     swarming=[
       {
        'gpu': '1002:6821',
        'os': 'Mac-10.11',
        'device_ids': [
            'build128-b1', 'build129-b1',
            'build130-b1', 'build131-b1', 'build132-b1'
           ]
@@ skipping 197 matching lines @@
     'skpicture_printer',
     'skpicture_printer_ct',
 ]
 
 # Certain swarming bots are not sharding correctly with the new device affinity
 # algorithm.  Reverting to legacy algorithm to try and get them to complete.
 # See crbug.com/670284
 LEGACY_DEVICE_AFFIINITY_ALGORITHM = [
   'Win Zenbook Perf',
   'Win 10 High-DPI Perf',
-  'Mac HDD Perf',
 ]
 
 def current_benchmarks(use_whitelist):
   benchmarks_dir = os.path.join(src_dir(), 'tools', 'perf', 'benchmarks')
   top_level_dir = os.path.dirname(benchmarks_dir)
 
   all_benchmarks = discover.DiscoverClasses(
       benchmarks_dir, top_level_dir, benchmark_module.Benchmark,
       index_by_class_name=True).values()
   # Remove all blacklisted benchmarks
@@ skipping 129 matching lines @@
   waterfall['name'] = 'chromium.perf'
   fyi_waterfall = get_fyi_waterfall_config()
   fyi_waterfall['name'] = 'chromium.perf.fyi'
 
   generate_all_tests(fyi_waterfall)
   generate_all_tests(waterfall)
   return 0
 
 if __name__ == '__main__':
   sys.exit(main())