Fix beta tag

Author: db-cloudflare

src/content/docs/workers/get-started/cf-tutor.mdx

@@ -1,15 +1,13 @@
 ---
-title: CLI guided learning (beta)
+title: CLI guided learning
 pcx_content_type: get-started
 sidebar:
   order: 2
-  group:
-    badge: Beta
+  badge:
+    text: Beta
 head:
   - tag: title
     content: Get started - CLI guided learning
-badge:
-  text: Beta
 ---
 
 import { Badge, Render } from "~/components";