message: remove unneccessary line of code
diff: @@ -435,7 +435,6 @@ mod high_cases {
  fn indy_crypto_auth_decrypt_works_for_invalid_msg() {
  TestUtils::cleanup_storage();
  - let pool_handle = PoolUtils::create_and_open_pool_ledger(POOL).unwrap();
  let sender_wallet_handle = WalletUtils::create_and_open_wallet(POOL, None).unwrap();
  let recipient_wallet_handle = WalletUtils::create_and_open_wallet(POOL, None).unwrap();
  @@ -449,7 +448,6 @@ mod high_cases {
  WalletUtils::close_wallet(sender_wallet_handle).unwrap();
  WalletUtils::close_wallet(recipient_wallet_handle).unwrap();
  - PoolUtils::close(pool_handle).unwrap();
  TestUtils::cleanup_storage();
  }
  