Remove mention of LGP on deep agents (#1565)

Author: katmayb

src/oss/deepagents/overview.mdx

@@ -48,7 +48,7 @@ For simpler use cases, consider using LangChain's [`createAgent`](/oss/langchain
 Deep agents is built on top of:
 - **LangGraph** - Provides the underlying graph execution and state management
 - **LangChain** - Tools and model integrations work seamlessly with deep agents
-- **LangSmith** - Observability and deployment through LangGraph Platform
+- **LangSmith** - Observability, evaluation, and deployment
 
 Deep agents applications can be deployed via [LangSmith Deployment](/langsmith/deployments) and monitored with [LangSmith Observability](/langsmith/observability).