Update README.md (#3463)

remove travis-ci build status

README.md

@@ -8,7 +8,6 @@
    <a href="https://github.com/laradock/laradock/issues"><img src="https://img.shields.io/github/issues/laradock/laradock.svg" alt="GitHub issues"></a>
    <a href="https://github.com/laradock/laradock/stargazers"><a href="#backers" alt="sponsors on Open Collective"><img src="https://opencollective.com/laradock/backers/badge.svg" /></a> <a href="#sponsors" alt="Sponsors on Open Collective"><img src="https://opencollective.com/laradock/sponsors/badge.svg" /></a> <img src="https://img.shields.io/github/stars/laradock/laradock.svg" alt="GitHub stars"></a>
    <a href="https://github.com/laradock/laradock/actions/workflows/main-ci.yml"><img src="https://github.com/laradock/laradock/actions/workflows/main-ci.yml/badge.svg" alt="GitHub CI"></a>
-   <a href="https://travis-ci.org/laradock/laradock"><img src="https://travis-ci.org/laradock/laradock.svg?branch=master" alt="Build status"></a>
    <a href="https://raw.githubusercontent.com/laradock/laradock/master/LICENSE"><img src="https://img.shields.io/badge/license-MIT-blue.svg" alt="GitHub license"></a>
 </p>