GTTF: Remove obsolete sharding_supervisor

tools/sharding_supervisor/PRESUBMIT.py

Index: tools/sharding_supervisor/PRESUBMIT.py
diff --git a/tools/sharding_supervisor/PRESUBMIT.py b/tools/sharding_supervisor/PRESUBMIT.py
deleted file mode 100644
index 2e12d7756e066acdcab4ecd49e0c53b588267edf..0000000000000000000000000000000000000000
--- a/tools/sharding_supervisor/PRESUBMIT.py
+++ /dev/null
@@ -1,24 +0,0 @@
-# Copyright (c) 2012 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.
-
-"""Top-level presubmit script for sharding_supervisor.
-
-See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts for
-details on the presubmit API built into gcl.
-"""
-
-def CommonChecks(input_api, output_api):
-  output = []
-  output.extend(input_api.canned_checks.RunPylint(input_api, output_api))
-  return output
-
-
-def CheckChangeOnUpload(input_api, output_api):
-  return CommonChecks(input_api, output_api)
-
-
-def CheckChangeOnCommit(input_api, output_api):
-  output = CommonChecks(input_api, output_api)
-  output.extend(input_api.canned_checks.PanProjectChecks(input_api, output_api))
-  return output