Update README.md

Author: sshaforenkoqb

README.md

@@ -15,10 +15,6 @@ Check out our [API Reference](https://quickblox.github.io/quickblox-javascript-s
 
 ## Dependencies for browser
 
-```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/quickblox/2.12.8/quickblox.min.js"></script>
-```
-or
 ```html
 <script src="https://unpkg.com/quickblox@2.12.8/quickblox.min.js"></script>
 ```