update slug

Author: devalog

fern/products/sdks/guides/self-host-fern-generators.mdx

@@ -205,14 +205,11 @@ navigation:
       - page: Customize your README
         path: ./guides/configure-readme.mdx
         slug: readme
-      - page: Self-host Fern's SDK Generators
-        hidden: true
-        path: ./guides/self-host-fern-generators.mdx
-        slug: self-host-generators
       - page: Retries with Backoff
         path: ./guides/retries-with-backoff.mdx
       - page: Self-Hosted SDKs
         path: ./guides/self-hosted.mdx
+        slug: self-hosted
   - section: Reference
     contents: 
       - page: generators.yml