docs: Remove Flash beta notification (#620)

Author: gwestersf

flash/overview.mdx

@@ -2,16 +2,11 @@
 title: "Overview"
 sidebarTitle: "Overview"
 description: "Build autoscaling AI/ML apps using local code with Runpod Flash."
-tag: "BETA"
 mode: "wide"
 ---
 
 <div className="overview-page-wrapper" />
 
-<Note>
-Flash is currently in beta. [Join our Discord](https://discord.gg/cUpRmau42V) to provide feedback and get support.
-</Note>
-
 Flash is a Python SDK for developing cloud-native AI apps where you define everything—hardware, remote functions, and dependencies—using local code.
 
 ```python