fix:修复BUG/升级1.1.6版本

vendor/symfony/polyfill-php73/README.md

@@ -1,18 +0,0 @@
-Symfony Polyfill / Php73
-========================
-
-This component provides functions added to PHP 7.3 core:
-
-- [`array_key_first`](https://php.net/array_key_first)
-- [`array_key_last`](https://php.net/array_key_last)
-- [`hrtime`](https://php.net/function.hrtime)
-- [`is_countable`](https://php.net/is_countable)
-- [`JsonException`](https://php.net/JsonException)
-
-More information can be found in the
-[main Polyfill README](https://github.com/symfony/polyfill/blob/main/README.md).
-
-License
-=======
-
-This library is released under the [MIT license](LICENSE).