src/PRESUBMIT.py: do not trigger experimental or triggered builders

PRESUBMIT.py

Index: PRESUBMIT.py
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 96095b7b34a85e93289f41396231279c52ff45f8..c07cb44d4ca98342f7ee029385c8c9ddc81d76f6 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -1951,30 +1951,3 @@ def CheckChangeOnCommit(input_api, output_api):
   results.extend(input_api.canned_checks.CheckChangeHasDescription(
       input_api, output_api))
   return results
-
-
-def GetPreferredTryMasters(project, change):
-  import json
-  import os.path
-  import platform
-  import subprocess
-
-  cq_config_path = os.path.join(
-      change.RepositoryRoot(), 'infra', 'config', 'cq.cfg')
-  # commit_queue.py below is a script in depot_tools directory, which has a
-  # 'builders' command to retrieve a list of CQ builders from the CQ config.
-  is_win = platform.system() == 'Windows'
-  masters = json.loads(subprocess.check_output(
-      ['commit_queue', 'builders', cq_config_path], shell=is_win))
-
-  try_config = {}
-  for master in masters:
-    try_config.setdefault(master, {})
-    for builder in masters[master]:
-      # Do not trigger presubmit builders, since they're likely to fail
-      # (e.g. OWNERS checks before finished code review), and we're
-      # running local presubmit anyway.
-      if 'presubmit' not in builder:
-        try_config[master][builder] = ['defaulttests']
-
-  return try_config