langchain-weaviate: Remove outdated docs

docs/vercel.json

@@ -121,6 +121,10 @@
     {
       "source": "/docs/contributing/:path((?:faq|repo_structure|review_process)/?)",
       "destination": "/docs/contributing/reference/:path"
+    },
+    {
+      "source": "/docs/integrations/retrievers/weaviate-hybrid(/?)",
+      "destination": "/docs/integrations/vectorstores/weaviate/#search-mechanism"
     }
   ]
 }