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 headings feature
 [![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-heading.svg)](https://www.npmjs.com/package/@ckeditor/ckeditor5-heading)
 [![Build Status](https://travis-ci.org/ckeditor/ckeditor5-heading.svg?branch=master)](https://travis-ci.org/ckeditor/ckeditor5-heading)
-[![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-heading/badge.svg?branch=master)](https://coveralls.io/github/ckeditor/ckeditor5-heading?branch=master)
 <br>
 [![Dependency Status](https://david-dm.org/ckeditor/ckeditor5-heading/status.svg)](https://david-dm.org/ckeditor/ckeditor5-heading)