fix broken links on docs

Author: gabriel-alves-azion

src/content/docs/en/pages/architectures/artificial-intelligence/ai-agent-third-party-llm.mdx

@@ -104,6 +104,5 @@ This template uses [Application Accelerator](/en/documentation/products/build/ap
 
 - [Object Storage](/en/documentation/products/store/object-storage/)
 - [SQL Database](/en/documentation/products/store/sql-database/)
-- [How to configure a custom domain](/en/documentation/products/guides/configure-domain/)
 - [Azion GitHub App](/en/documentation/products/guides/azion-github-app/)
 - [Vector Search with SQL Database](/en/documentation/products/guides/sql-database-vector-search/)