Update README.md

Author: jouni

README.md

@@ -2,20 +2,7 @@
 
 Official documentation and code examples for Vaadin.
 
-> **CONTENT ONLY**  
-> This repository does not generate the vaadin.com/docs website. It only contains the content for it.
-
-## Branches
-
-All official documentation version branches (listed below) can and should contain documentation for pre-release features once they are available in a Vaadin pre-release. Remember to indicate new features with a “since version” indicator in Asciidoc, for example, `[role="since:com.vaadin:vaadin@V18"]`.
-
-### `latest`
-
-Documentation for the latest major Vaadin version, including all previous major versions since the latest LTS version. If in doubt, make documentation updates against this branch.
-
-### `v14`
-
-Documentation Vaadin 14, the latest long-term supported version (LTS).
+This repository does not generate the vaadin.com/docs website. It only contains the content for it. The build is done using [Vaadin Design System Publisher](https://vaadin.com/design-system-publisher).
 
 ## Contents