Remove traces from travis and phpunit tests as this module won't be tested due to lack of PHP code

Author: avstudnitz

.travis.yml

@@ -3,7 +3,6 @@
 
 [![Latest Version on Packagist][ico-version]][link-packagist]
 [![Software License][ico-license]](LICENSE.md)
-[![Build Status][ico-travis]][link-travis]
 ![Supported Magento Versions][ico-compatibility]
 
 [![Coverage Status][ico-scrutinizer]][link-scrutinizer]
@@ -47,18 +46,6 @@ Please see [CONTRIBUTING](CONTRIBUTING.md) for details.
 vendor/bin/phpunit tests/unit
 ```
 
-### Magento Integration Tests
-
-0. Configure test database in `dev/tests/integration/etc/install-config-mysql.php`. [Read more in the Magento docs.](https://devdocs.magento.com/guides/v2.4/test/integration/integration_test_execution.html) 
-
-1. Copy `tests/integration/phpunit.xml.dist` from the package to `dev/tests/integration/phpunit.xml` in your Magento installation.
-
-2. In that directory, run
-    ``` bash
-    ../../../vendor/bin/phpunit
-    ```
-
-
 ## Security
 
 If you discover any security related issues, please email avs@integer-net.de instead of using the issue tracker.
@@ -74,14 +61,12 @@ The MIT License (MIT). Please see [License File](LICENSE) for more information.
 
 [ico-version]: https://img.shields.io/packagist/v/integer-net/magento2-configurable-wysiwyg.svg?style=flat-square
 [ico-license]: https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square
-[ico-travis]: https://img.shields.io/travis/integer-net/magento2-configurable-wysiwyg/master.svg?style=flat-square
 [ico-scrutinizer]: https://img.shields.io/scrutinizer/coverage/g/integer-net/magento2-configurable-wysiwyg?style=flat-square
 [ico-code-quality]: https://img.shields.io/scrutinizer/g/integer-net/magento2-configurable-wysiwyg.svg?style=flat-square
 [ico-maintainability]: https://img.shields.io/codeclimate/maintainability/integer-net/magento2-configurable-wysiwyg?style=flat-square
 [ico-compatibility]: https://img.shields.io/badge/magento-2.3%20|%202.4-brightgreen.svg?logo=magento&longCache=true&style=flat-square
 
 [link-packagist]: https://packagist.org/packages/integer-net/magento2-configurable-wysiwyg
-[link-travis]: https://travis-ci.org/integer-net/magento2-configurable-wysiwyg
 [link-scrutinizer]: https://scrutinizer-ci.com/g/integer-net/magento2-configurable-wysiwyg/code-structure
 [link-code-quality]: https://scrutinizer-ci.com/g/integer-net/magento2-configurable-wysiwyg
 [link-maintainability]: https://codeclimate.com/github/integer-net/magento2-configurable-wysiwyg