message: Remove the duplicated constant.
diff: @@ -760,7 +760,6 @@ PHP_MINIT_FUNCTION(swoole)
  SW_REGISTER_LONG_CONSTANT("SWOOLE_TRACE_LENGTH_PROTOCOL", SW_TRACE_LENGTH_PROTOCOL);
  SW_REGISTER_LONG_CONSTANT("SWOOLE_TRACE_CLOSE", SW_TRACE_CLOSE);
  SW_REGISTER_LONG_CONSTANT("SWOOLE_TRACE_HTTP_CLIENT", SW_TRACE_HTTP_CLIENT);
  - SW_REGISTER_LONG_CONSTANT("SWOOLE_TRACE_COROUTINE", SW_TRACE_COROUTINE);
  SW_REGISTER_LONG_CONSTANT("SWOOLE_TRACE_REDIS_CLIENT", SW_TRACE_REDIS_CLIENT);
  SW_REGISTER_LONG_CONSTANT("SWOOLE_TRACE_MYSQL_CLIENT", SW_TRACE_MYSQL_CLIENT);
  SW_REGISTER_LONG_CONSTANT("SWOOLE_TRACE_AIO", SW_TRACE_AIO);
  