chore: remove unrelated introduction.md changes from CLI reference PR

Signed-off-by: Abhishek Kumar <[email protected]>

Author: abhishek-8081

docs/introduction.md

@@ -65,5 +65,5 @@ PaaS can use the features provided by OpenKruise to make applications deployment
 
 Here are some recommended next steps:
 
-- Start to [Install OpenKruise](https://openkruise.io/docs/installation).
-- Learn OpenKruise's [Architecture](https://openkruise.io/docs/core-concepts/architecture).
+- Start to [install OpenKruise](./installation).
+- Learn OpenKruise's [Architecture](core-concepts/architecture).