Update toc.yml

Remove the preview for health insurance card in the TOC.

Author: luzhang06

articles/applied-ai-services/form-recognizer/toc.yml

@@ -157,7 +157,7 @@ items:
   - name: 🆕 Query field extraction (preview)
     displayName: queries, fields, OpenAI, chat
     href: concept-query-fields.md
-  - name: 🆕 Health insurance card model (preview)
+  - name: 🆕 Health insurance card model
     displayName: health, proof, hospital
     href: concept-insurance-card.md
   - name: 🆕 Add-on capabilities (preview)