Remove closed beta message for AIG dynamic routing (#24617)

Author: palashgo

src/content/docs/ai-gateway/features/dynamic-routing/index.mdx

@@ -10,10 +10,6 @@ sidebar:
 
 import { CardGrid, LinkTitleCard, YouTube } from "~/components";
 
-:::caution
-Dynamic routing is in closed beta. Request for access.
-:::
-
 ## Introduction
 
 Dynamic routing enables you to create request routing flows through a **visual interface** or a **JSON-based configuration**. Instead of hard-coding a single model, with Dynamic Routing you compose a small flow that evaluates conditions, enforces quotas, and chooses models with fallbacks. You can iterate without touching application code—publish a new route version and you’re done. With dynamic routing, you can easily implement advanced use cases such as: