docs: update missed 'experimental aitools install' reference

Signed-off-by: Pawel Kosiec <pawel.kosiec@databricks.com>

Author: pkosiec

docs/docs/development/ai-assisted-development.mdx

@@ -15,7 +15,7 @@ AppKit integrates with AI coding assistants through the Agent Skills.
 To install the Databricks Agent Skills for your preferred AI assistant, run:
 
 ```bash
-databricks experimental aitools install
+databricks aitools install
 ```
 
 ## Skills capabilities