remove beta from oat (#22344)

<!--Delete sections as needed -->

## Description

OAT is going GA today
https://docker.slack.com/archives/C046HE6K4CC/p1743524473234929

## Related issues or tickets

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## Reviews

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- [ ] Technical review
- [ ] Editorial review
- [ ] Product review

content/manuals/security/for-admins/access-tokens.md

@@ -4,11 +4,6 @@ description: Learn how to create and manage organization access tokens
   to securely push and pull images programmatically.
 keywords: docker hub, security, OAT, organization access token
 linkTitle: Organization access tokens
-params:
-  sidebar:
-    badge:
-      color: blue
-      text: Beta
 ---
 
 {{< summary-bar feature_name="OATs" >}}

data/summary.yaml

@@ -188,7 +188,6 @@ MSI installer:
   for: Administrators
 OATs:
   subscription: [Team, Business]
-  availability: Beta
 PKG installer:
   subscription: [Business]
   requires: Docker Desktop [4.36](/manuals/desktop/release-notes.md#4360) and later