remove extra link

Author: kodster28

src/content/docs/reference-architecture/diagrams/ai/ai-rag.mdx

@@ -56,6 +56,5 @@ In the context of Retrieval-Augmented Generation (RAG), knowledge seeding involv
 
 - [Tutorial: Build a RAG AI](/workers-ai/guides/tutorials/build-a-retrieval-augmented-generation-ai/)
 - [Get started with AutoRAG](/autorag/get-started/)
-- [Tutorial: Build a RAG AI](/workers-ai/tutorials/build-a-retrieval-augmented-generation-ai/)
 - [Workers AI: Text embedding models](/workers-ai/models/)
 - [Workers AI: Text generation models](/workers-ai/models/)