Merge pull request #423 from knash94/internal/remove-beta-information-from-readme

update: Remove beta tag from readme

Author: gehrisandro

README.md

@@ -14,10 +14,6 @@
 - Nuno Maduro: **[github.com/sponsors/nunomaduro](https://github.com/sponsors/nunomaduro)**
 - Sandro Gehri: **[github.com/sponsors/gehrisandro](https://github.com/sponsors/gehrisandro)**
 
-> **Looking for Assistants v2 support?**
->
-> Check out the [0.10.x release](https://github.com/openai-php/client/releases/tag/v0.10.0-beta.1) (beta)
-
 ## Table of Contents
 - [Get Started](#get-started)
 - [Usage](#usage)