Revert dynamic OG image background configuration (#5406)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: kgowru

fern/docs.yml

@@ -24,11 +24,10 @@ ai-search:
 
 metadata:
   og:dynamic: true
-  og:dynamic:show-url: false
-  og:dynamic:show-gradient: false
-  og:dynamic:show-logo: false
-  og:dynamic:background-image: https://fern-docs.s3.us-east-2.amazonaws.com/fern-docs-og_image.png
+  og:image: https://fern-docs.s3.us-east-2.amazonaws.com/fern-docs-og_image-compressed.png
+  twitter:image: https://fern-docs.s3.us-east-2.amazonaws.com/fern-docs-og_image-compressed.png
   canonical-host: buildwithfern.com
+  og:description: Build better developer experiences. Generate SDKs in TypeScript, Python, Go, Java, C#, PHP, Ruby, Swift & Rust. Create interactive API docs with AI search.
 
 
 products: