UPdated the README

Author: gplanchat

README.md

@@ -9,6 +9,5 @@ with logging, line rejections and execution states.
 [![PHPStan level 5](https://github.com/php-etl/pipeline-contracts/actions/workflows/phpstan-5.yaml/badge.svg)](https://github.com/php-etl/pipeline-contracts/actions/workflows/phpstan-5.yaml)
 [![PHPStan level 7](https://github.com/php-etl/pipeline-contracts/actions/workflows/phpstan-7.yaml/badge.svg)](https://github.com/php-etl/pipeline-contracts/actions/workflows/phpstan-7.yaml)
 [![PHPStan level 8](https://github.com/php-etl/pipeline-contracts/actions/workflows/phpstan-8.yaml/badge.svg)](https://github.com/php-etl/pipeline-contracts/actions/workflows/phpstan-8.yaml)
-[![Mutations](https://github.com/php-etl/pipeline-contracts/actions/workflows/infection.yaml/badge.svg)](https://github.com/php-etl/pipeline-contracts/actions/workflows/infection.yaml)
 ![PHP](https://img.shields.io/packagist/php-v/php-etl/pipeline-contracts)