[INTERNAL] Generalize deprecation meesage in documentation

Author: d3xter666

README.md

@@ -9,11 +9,7 @@
 [![npm Package Version](https://badge.fury.io/js/%40ui5%2Fserver.svg)](https://www.npmjs.com/package/@ui5/server)
 [![Coverage Status](https://coveralls.io/repos/github/SAP/ui5-server/badge.svg)](https://coveralls.io/github/SAP/ui5-server)
 
-> [UI5 Tooling v3](https://sap.github.io/ui5-tooling/v3) is the latest and stable version 🎉
->
-> [UI5 Tooling v2](https://sap.github.io/ui5-tooling/v2) has been deprecated 🚫  
->
-> Please migrate your projects to [UI5 Tooling v3](https://sap.github.io/ui5-tooling/v3/updates/migrate-v3/)!
+> ⚠️ UI5 CLI v2 has been deprecated! We highly recommend migrating to [**the latest version**](https://ui5.github.io/cli/stable/).
 
 ## Documentation
 Can be found here: [sap.github.io/ui5-tooling](https://sap.github.io/ui5-tooling/pages/Server/)