[labpack] Remove presubmit from legacy labpack entirely.

BUG=b:264293067
TEST=None. This code is no longer used.

Change-Id: I8278ced844964e0baca0ccab75a975fe1ce932d1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/labpack/+/4143978
Commit-Queue: Gregory Nisbet <gregorynisbet@google.com>
Reviewed-by: Jesse McGuire <jessemcguire@google.com>
Tested-by: Gregory Nisbet <gregorynisbet@google.com>
diff --git a/PRESUBMIT.cfg b/PRESUBMIT.cfg
deleted file mode 100644
index 863a492..0000000
--- a/PRESUBMIT.cfg
+++ /dev/null
@@ -1,23 +0,0 @@
-# This config file disables some of the ChromiumOS source style checks and
-# adds a hook to validate .py files. Comment out the disable-flags for
-# any checks you want to leave enabled. Edit utils/pylintrc to disable any
-# pylint checks.
-
-[Hook Overrides]
-cros_license_check: false
-long_line_check: true
-
-[Hook Scripts]
-git_cl_presubmit = vpython $(which presubmit_support.py) $(if [[ "${PRESUBMIT_COMMIT}" = pre-submit ]]; then echo --commit; fi)
-# If running in the chroot, EPYTHON ensures the wrappers don't get the wrong
-# version.
-pylint = EPYTHON=python2 ./utils/run_pylint.py
-check_control_files = ./site_utils/presubmit_hooks/check_control_files.py
-# Not enabled because it takes a few minutes. Put here for convenience
-# and as a bookmark. TODO: http://crbug.com/558819 some wrapper script
-# computing optimal -r options based on PRESUBMIT_FILES.
-# unittest_suite = ./utils/unittest_suite.py # -r server/
-check_json_files = ./site_utils/presubmit_hooks/check_json_files.py
-
-[Hook Overrides Options]
-long_line_check: --exclude_regex=\bfirmware_Cr50ConsoleCommands/pinmux$ --exclude_regex=\bcontrol(\.[\S]+)?$
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
deleted file mode 100644
index 0dba8c8..0000000
--- a/PRESUBMIT.py
+++ /dev/null
@@ -1,25 +0,0 @@
-# Copyright 2020 The Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-
-def CommonChecks(input_api, output_api):
-    """Check common to presubmit / preupload."""
-    results = []
-
-    # Python formatting issues are errors.
-    results += input_api.canned_checks.CheckPatchFormatted(
-            input_api,
-            output_api,
-            # Setting check_python=None ensures that only files with a
-            # .style.yapf in a parent directory are checked. This effectively
-            # skips most of the legacy autotest codebase that is very poorly
-            # formatted.
-            check_python=None,
-            check_clang_format=False,
-            result_factory=output_api.PresubmitError)
-    return results
-
-
-CheckChangeOnUpload = CommonChecks
-CheckChangeOnCommit = CommonChecks