update

Author: laujan

articles/ai-services/document-intelligence/toc.yml

@@ -153,8 +153,6 @@ items:
   - name: Model overview
     displayName: get started, prebuilt, extraction, input
     href: concept-model-overview.md
-  - name: Document Intelligence Studio
-    href: concept-document-intelligence-studio.md
   - name: Accuracy and confidence scores
     displayName: tables, labels, ocr, performance, signatures
     href: concept-accuracy-confidence.md