message: remove duplicate definitions
diff: @@ -38,7 +38,6 @@ typedef struct _swTimer_callback
  int type;
  } swTimer_callback;
  -long php_swoole_add_timer(int ms, zval *callback, zval *param, int persistent TSRMLS_DC);
  #ifdef SW_COROUTINE
  int php_swoole_del_timer_coro(swTimer_node *tnode TSRMLS_DC);
  #endif
  