Merge pull request php-amqplib#881 from Yozhef/removeTravis

feat(Travis) remove travis.

Author: lukebakken

.travis.yml

@@ -3,7 +3,6 @@
 ![PHPUnit tests](https://github.com/php-amqplib/php-amqplib/workflows/PHPUnit%20tests/badge.svg)
 [![Latest Version on Packagist][ico-version]][link-packagist]
 [![Software License][ico-license]](LICENSE)
-[![Build Status][ico-travis]][link-travis]
 [![Coverage Status][ico-scrutinizer]][link-scrutinizer]
 [![Quality Score][ico-code-quality]][link-code-quality]
 [![Total Downloads][ico-downloads]][link-downloads]
@@ -43,7 +42,7 @@ Extensions that modify existing methods like `alternate exchanges` are also supp
 
 * [enqueue/amqp-lib](https://github.com/php-enqueue/amqp-lib) is a [amqp interop](https://github.com/queue-interop/queue-interop#amqp-interop) compatible wrapper.
 
-* [AMQProxy](https://github.com/cloudamqp/amqproxy) is a proxy library with connection and channel pooling/reusing. This allows for lower connection and channel churn when using php-amqplib, leading to less CPU usage of RabbitMQ. 
+* [AMQProxy](https://github.com/cloudamqp/amqproxy) is a proxy library with connection and channel pooling/reusing. This allows for lower connection and channel churn when using php-amqplib, leading to less CPU usage of RabbitMQ.
 
 ## Setup ##
 
@@ -383,13 +382,11 @@ Author: Vadim Zaliva <lord@crocodile.org>
 
 [ico-version]: https://img.shields.io/packagist/v/php-amqplib/php-amqplib.svg?style=flat-square
 [ico-license]: https://img.shields.io/badge/license-LGPL_2.1-brightgreen.svg?style=flat-square
-[ico-travis]: https://img.shields.io/travis/php-amqplib/php-amqplib/master.svg?style=flat-square
 [ico-scrutinizer]: https://img.shields.io/scrutinizer/coverage/g/php-amqplib/php-amqplib.svg?style=flat-square
 [ico-code-quality]: https://img.shields.io/scrutinizer/g/php-amqplib/php-amqplib.svg?style=flat-square
 [ico-downloads]: https://img.shields.io/packagist/dt/php-amqplib/php-amqplib.svg?style=flat-square
 
 [link-packagist]: https://packagist.org/packages/php-amqplib/php-amqplib
-[link-travis]: https://travis-ci.org/php-amqplib/php-amqplib
 [link-scrutinizer]: https://scrutinizer-ci.com/g/php-amqplib/php-amqplib/code-structure
 [link-code-quality]: https://scrutinizer-ci.com/g/php-amqplib/php-amqplib
 [link-downloads]: https://packagist.org/packages/php-amqplib/php-amqplib