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: xofGZGZnE+4xonNp2gGSpQCIwH3aZu4/EmR6YAfcJtN/STDaKeSnSlnLpQJExSAgQM/nxF/Jh/DO8AL0vjMfQut0CtIOIQaR/2g16/ZK983t0FMBSHdaFKWtfkHzDVlEJ0Mq+42x/FEHlBccuVD80WZ3uYk+vxqiQNUk5Ywluz8NJ2tYWJ8zpGsLJjzY6G0j1s4WXtAKAOmm2Fli6cNryBSGxoEJSQg8sEoFf5dy32W6jykmVafGWzvOi9uVN8nSZkAyqTu27YF8DA0mivZP/UmrLtTzvj3FAV53l06IvRQgQOMKvg4brXouR+HXGSPS72ohnzhvyWmHzesbYCnDmnsEqxIN6JKmWyFdcQdJkE7AAF0LCqxSQSR78Vc8hiD+1AD368xY345rOPBqVkWskCFAuyuu7+ri3ahBqseH7Elcdol/RXIDsaeakaYwt6/EOMk96rH4DWZw6K2l7ZP5kKfV/F11ZttY8Lltj0d/NuicCqNImwzV85/qYNpKxrB9g6ZcagutYpS61sSiT3pZp41hpuNdZLHuUiqb8Gz6dbdbIJje/J3J+4kn0+AWIWDrDUXve5nm6p24u6Y456dzIDzNn+H5M55tcXn+7U7wFBgbzJ+dtWxzH05JBrZcP4SCNMYdoAKczNqqXdSq8mPaU2+Jfs9tWNOb4OQG0R3aD8g=

README.md

@@ -4,7 +4,6 @@ CKEditor 5 mention 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-mention.svg)](https://www.npmjs.com/package/@ckeditor/ckeditor5-mention)
 [![Build Status](https://travis-ci.org/ckeditor/ckeditor5-mention.svg?branch=master)](https://travis-ci.org/ckeditor/ckeditor5-mention)
-[![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-mention/badge.svg?branch=master)](https://coveralls.io/github/ckeditor/ckeditor5-mention?branch=master)
 <br>
 [![Dependency Status](https://david-dm.org/ckeditor/ckeditor5-mention/status.svg)](https://david-dm.org/ckeditor/ckeditor5-mention)