message: Fix C++ Timer::del.
diff: @@ -110,15 +110,7 @@ bool Timer::del(swTimer_node *tnode)
  {
  return false;
  }
  - if (Timer::del(tnode) < 0)
  - {
  - return false;
  - }
  - else
  - {
  - swTimer_del(&SwooleG.timer, tnode);
  - return true;
  - }
  + return swTimer_del(&SwooleG.timer, tnode) == SW_TRUE;
  }
  bool Timer::clear(long id)
  