remove next steps sections

Author: jaworek

src/docs/getting-started/create-first-app.md

@@ -187,9 +187,4 @@ import ExpoHorizon from 'expo-horizon-core';
 if (ExpoHorizon.isHorizonDevice) {
   // Quest-specific code
 }
-```
-
-## What's next?
-
-- Review [platform guidelines](/docs/getting-started/platform-guidelines) for important considerations
-- Explore [library compatibility](/docs/guides/library-compatibility)
+```