src/Leevel/Http/Cookie.php
public function delete(string $name, array $option = []): void
    {
        $this->set($name, null, $option);
    }
public function delete(string $name, array $option = []): void
    {
        $this->set($name, null, $option);
    }
删除 cookie.

@param string $name
@param array  $option