remove php 8.0 polyfill

Author: johanrosenson

composer.json

@@ -13,7 +13,6 @@
         "devlop/phpunit-exception-assertions": "^1.0",
         "phpunit/phpunit": "^9.5",
         "symfony/var-dumper": "^5.2",
-        "symfony/polyfill-php80": "^1.22",
         "symfony/polyfill-php81": "^1.22"
     },
     "autoload": {