Tests: Removed BrowserStack integration in this repository (see ckedi…

…tor/ckeditor5#1742).

.travis.yml

@@ -28,6 +28,4 @@ after_script:
 - ckeditor5-dev-tests-notify-travis-status
 env:
   global:
-  - secure: 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
-  - secure: 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
-  - secure: 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
+  - secure: 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

README.md

@@ -4,7 +4,6 @@ CKEditor 5 essentials plugin
 [![Join the chat at https://gitter.im/ckeditor/ckeditor5](https://badges.gitter.im/ckeditor/ckeditor5.svg)](https://gitter.im/ckeditor/ckeditor5?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![npm version](https://badge.fury.io/js/%40ckeditor%2Fckeditor5-essentials.svg)](https://www.npmjs.com/package/@ckeditor/ckeditor5-essentials)
 [![Build Status](https://travis-ci.org/ckeditor/ckeditor5-essentials.svg?branch=master)](https://travis-ci.org/ckeditor/ckeditor5-essentials)
-[![BrowserStack Status](https://automate.browserstack.com/automate/badge.svg?badge_key=d3hvenZqQVZERFQ5d09FWXdyT0ozVXhLaVltRFRjTTUyZGpvQWNmWVhUUT0tLUZqNlJ1YWRUd0RvdEVOaEptM1B2Q0E9PQ==--c9d3dee40b9b4471ff3fb516d9ecf8d09292c7e0)](https://automate.browserstack.com/public-build/d3hvenZqQVZERFQ5d09FWXdyT0ozVXhLaVltRFRjTTUyZGpvQWNmWVhUUT0tLUZqNlJ1YWRUd0RvdEVOaEptM1B2Q0E9PQ==--c9d3dee40b9b4471ff3fb516d9ecf8d09292c7e0)
 [![Coverage Status](https://coveralls.io/repos/github/ckeditor/ckeditor5-essentials/badge.svg?branch=master)](https://coveralls.io/github/ckeditor/ckeditor5-essentials?branch=master)
 <br>
 [![Dependency Status](https://david-dm.org/ckeditor/ckeditor5-essentials/status.svg)](https://david-dm.org/ckeditor/ckeditor5-essentials)