[test] Remove unused script (#38110)

Closes #38110

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/38110 from ctiller:💥💥💥💥💥💥 2baaab0539
PiperOrigin-RevId: 696375996

test/core/test_util/BUILD

@@ -263,11 +263,6 @@ grpc_cc_test(
     ],
 )
 
-sh_library(
-    name = "fuzzer_one_entry_runner",
-    srcs = ["fuzzer_one_entry_runner.sh"],
-)
-
 grpc_cc_library(
     name = "stack_tracer",
     srcs = [

test/core/test_util/fuzzer_one_entry_runner.sh

@@ -1,18 +0,0 @@
-#!/bin/sh
-
-# Test runner for fuzzer tests from bazel
-
-# Copyright 2017 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.
-"$1" "$2"