refactor(destinations): remove "How to Use Destinations" section

Author: Cinzya

docs/knowledge-base/destinations/index.md

@@ -50,8 +50,6 @@ Destinations can host multiple types of resources:
 4. **Flexibility**: Ability to deploy the same application to multiple destinations/servers
 5. **Scalability**: Support for multi-server deployments through additional destinations
 
-## How to Use Destinations
-
 ## Related Topics
 
 - [Creating Destinations](./create.md)