remove old redirect

Author: devalog

fern/docs.yml

@@ -325,9 +325,6 @@ redirects:
   - source: /learn/docs/getting-started/global-configuration
     destination: /learn/docs/customization/what-is-docs-yml
     permanent: true
-  - source: /learn/docs/getting-started/project-structure
-    destination: /learn/docs/customization/project-structure
-    permanent: true
   - source: /learn/docs/getting-started/development
     destination: /learn/docs/preview-publish/previewing-changes-locally
     permanent: true