Fix the system hang issue when the app is killed contantly.

fujuntang

2021-11-10 c479ef57baaaa28964fc3ec8d80ff99dffa7d49f

 src/queue/lock_free_queue.h

@@ -212,7 +212,6 @@
  typename Allocator,
  template<typename T, typename AT> class Q_TYPE>
LockFreeQueue<ELEM_T, Allocator, Q_TYPE>::~LockFreeQueue() {
  // LoggerFactory::getLogger()->debug("LockFreeQueue desctroy");
  if (sem_destroy(&slots) == -1) {
    err_exit(errno, "LockFreeQueue sem_destroy");
  }