[grpc] Remove redundant check (#35161)

We dont need this check anymore .

Deleting the check from the yaml and the sh file.

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Closes #35161

PiperOrigin-RevId: 587784923

tools/run_tests/sanity/check_do_not_submit.sh

@@ -1,23 +0,0 @@
-#! /bin/bash
-# Copyright 2021 The gRPC Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# Checks if any file contains "DO NOT SUBMIT"
-
-cd "$(dirname "$0")/../../.." || exit 1
-git grep -Irn 'DO NOT SUBMIT' -- \
-  './*' \
-  ':!*check_do_not_submit.sh' \
-  ':!third_party/'
-test $? -eq 1 || exit 1

tools/run_tests/sanity/sanity_tests.yaml

@@ -6,7 +6,6 @@
 - script: tools/run_tests/sanity/check_buildifier.sh
 - script: tools/run_tests/sanity/check_cache_mk.sh
 - script: tools/run_tests/sanity/check_deprecated_grpc++.py
-- script: tools/run_tests/sanity/check_do_not_submit.sh
 - script: tools/run_tests/sanity/check_illegal_terms.sh
 - script: tools/run_tests/sanity/check_port_platform.py
 - script: tools/run_tests/sanity/check_include_style.py