message: chore: remove unnecessary tempfile code in test
diff: @@ -160,11 +160,9 @@ fn test_load_code_with_snapshot() {
  .cellbase_maturity(EpochNumberWithFraction::new(0, 0, 1))
  .genesis_block(genesis_block)
  .build();
  - let tmp_dir = tempfile::Builder::new().tempdir().unwrap();
  {
  let tx_pool_config = TxPoolConfig {
  max_tx_verify_cycles: 10_000, // 10_000/ 11_740
  - recent_reject: tmp_dir.path().to_path_buf(),
  ..Default::default()
  };
  @@ -248,11 +246,9 @@ fn _test_load_code_with_snapshot_after_hardfork(script_type: ScriptHashType) {
  .hardfork_switch(hardfork_switch)
  .build();
  - let tmp_dir = tempfile::Builder::new().tempdir().unwrap();
  {
  let tx_pool_config = TxPoolConfig {
  max_tx_verify_cycles: 10_000, // 10_000/ 11_740
  - recent_reject: tmp_dir.path().to_path_buf(),
  ..Default::default()
  };
  