docs: cleanup outdated callout

Author: notunderctrl

apps/website/docs/guide/08-advanced/01-setup-commandkit-manually.mdx

@@ -11,14 +11,6 @@ If you don't want to use the
 generate a base CommandKit project, you can integrate CommandKit
 manually into your application.
 
-:::info
-
-While this guide primarily uses TypeScript, you can use JavaScript
-files without any problems to follow along if that's what you're
-comfortable with (e.g. `commandkit.config.js`, `app.js`, etc)
-
-:::
-
 ## Installation
 
 To install CommandKit, you can use the following command: