changed references to point to langchain main repo

libs/ai-endpoints/docs/providers/nvidia.mdx

@@ -78,6 +78,5 @@ A selection of NVIDIA AI Foundation models are supported directly in LangChain w
 The active models which are supported can be found [in API Catalog](https://build.nvidia.com/).
 
 **The following may be useful examples to help you get started:**
-- **[`ChatNVIDIA` Model](/libs/ai-endpoints/docs/chat/nvidia_ai_endpoints.ipynb).**
-- **[`NVIDIAEmbeddings` Model for retrieval in RAG Workflows](/libs/ai-endpoints/docs/text_embedding/nvidia_ai_endpoints.ipynb).**
-- **[`NVIDIARerank` and `NVIDIAEmbeddings` Models for retrival and re-reranking](/libs/ai-endpoints/docs/retrievers/nvidia_rerank.ipynb).**
+- **[`ChatNVIDIA` Model](https://github.com/langchain-ai/langchain/blob/master/docs/docs/integrations/chat/nvidia_ai_endpoints.ipynb).**
+- **[`NVIDIAEmbeddings` Model for retrieval in RAG Workflows](https://github.com/langchain-ai/langchain/blob/master/docs/docs/integrations/text_embedding/nvidia_ai_endpoints.ipynb).**