Removed BrowserStack from the repository.

.travis.yml

@@ -26,6 +26,4 @@ after_script:
 - ckeditor5-dev-tests-notify-travis-status
 env:
   global:
-  - secure: iZjTlmSDEgnr+pJ7qfaLdU6b9yBNzcCi11RIiTmc1LyF+10tyPXQogAV/h3onhdDueZvzIw2eQ3jyVXuQVEgNJB0ruId+xAK2dliuWSC0L5dx/ln3dlubOsQiS/mKUFtJLXhgczs5gLjUjyzOqnYSmgleLn0vQ3Rxie0qb23NeNam8Dxwen9Lpns1u83OdYbaftJfgEDloNxaCCnidoNisXzMO5fNccFokjBwBh/O0f/V+zfIR5ATnQ06UdHxfBdoB2dyVTqMt8ctUTHqMTH3IGY+fubithRgU5tLBm3iP4wfx2YkH/ng6LwJBVZDtq/6ny7N+NEUDPPsNE6kZ+InOmHi3fiEdTi/JQhZEtfA9U6bCJfzE/BBhP46HlDoYJwYbsrJsSBU2mTRJI3o48NCfosUuglvp7mXnpDLgDXezY62UyGLbCUk+F/jiA7qz7NvH7kdjSK9FloyNNL6ODVBL85UrQIMvHLLoVciN9OWYyNjwfMOvJFScv+7GX3JIL9H3ArYOfDnd1uUhZARNo+WIeRlrSKydyJa+CQebwNTnTbT7vTtX5i6cJzttkjkxe4kTYWhhQLiQCwwtX6ABSiNhJn+9gBHYac1yFWL06Ireop8NvWXNqni8f1HZrdqg+xEwRdqju0lSThizVW+Ioulb7H1cYJhbKXlT1w1xLlxIU=
-  - secure: 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
-  - secure: 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
+  - secure: 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

README.md

@@ -4,7 +4,6 @@ CKEditor 5 classic editor build
 [![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-build-classic.svg)](https://www.npmjs.com/package/@ckeditor/ckeditor5-build-classic)
 [![Build Status](https://travis-ci.org/ckeditor/ckeditor5-build-classic.svg?branch=master)](https://travis-ci.org/ckeditor/ckeditor5-build-classic)
-[![BrowserStack Status](https://automate.browserstack.com/automate/badge.svg?badge_key=d3hvenZqQVZERFQ5d09FWXdyT0ozVXhLaVltRFRjTTUyZGpvQWNmWVhUUT0tLUZqNlJ1YWRUd0RvdEVOaEptM1B2Q0E9PQ==--c9d3dee40b9b4471ff3fb516d9ecf8d09292c7e0)](https://automate.browserstack.com/public-build/d3hvenZqQVZERFQ5d09FWXdyT0ozVXhLaVltRFRjTTUyZGpvQWNmWVhUUT0tLUZqNlJ1YWRUd0RvdEVOaEptM1B2Q0E9PQ==--c9d3dee40b9b4471ff3fb516d9ecf8d09292c7e0)
 <br>
 [![Dependency Status](https://david-dm.org/ckeditor/ckeditor5-build-classic/status.svg)](https://david-dm.org/ckeditor/ckeditor5-build-classic)
 [![devDependency Status](https://david-dm.org/ckeditor/ckeditor5-build-classic/dev-status.svg)](https://david-dm.org/ckeditor/ckeditor5-build-classic?type=dev)