Update document encoder model

config.json

@@ -26,9 +26,5 @@
   "transformers_version": "4.51.3",
   "use_cache": true,
   "use_sliding_window": false,
-  "vocab_size": 151936,
-  "rag_config": {
-    "retriever_type": "dummy",
-    "embedding_model": "raduv98/MNLP_M2_document_encoder"
-  }
+  "vocab_size": 151936
 }