remove unused code

deps/oblib/unittest/lib/thread/test_thread_pool.h

@@ -1,37 +0,0 @@
-/**
- * Copyright (c) 2021 OceanBase
- * OceanBase CE is licensed under Mulan PubL v2.
- * You can use this software according to the terms and conditions of the Mulan PubL v2.
- * You may obtain a copy of Mulan PubL v2 at:
- *          http://license.coscl.org.cn/MulanPubL-2.0
- * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
- * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
- * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
- * See the Mulan PubL v2 for more details.
- */
-
-#include <gtest/gtest.h>
-#include <iostream>
-#include "lib/thread/thread_pool.h"
-
-using namespace oceanbase::lib;
-using namespace std;
-
-TEST(TestThreadPool, Submit)
-{
-  class : public ThreadPool
-  {
-    void run1() override()
-    {
-      cout << "ok" << endl;
-    }
-  } tp;
-  tp.init();
-  tp.start();
-}
-
-int main(int argc, char *argv[])
-{
-  ::testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
-}