update toc for V2 TN

Author: PatrickFarley

articles/ai-services/speech-service/toc.yml

@@ -506,13 +506,7 @@ items:
     - name: Speech to text
       items:
       - name: Transparency note
-        items:
-        - name: Use cases for Speech to text
-          href: /legal/cognitive-services/speech-service/speech-to-text/transparency-note?context=/azure/ai-services/speech-service/context/context
-        - name: Characteristics and limitations
-          href: /legal/cognitive-services/speech-service/speech-to-text/characteristics-and-limitations?context=/azure/ai-services/speech-service/context/context
-      - name: Integration and responsible use
-        href: /legal/cognitive-services/speech-service/speech-to-text/guidance-integration-responsible-use?context=/azure/ai-services/speech-service/context/context
+        href: /legal/cognitive-services/speech-service/speech-to-text/transparency-note?context=/azure/ai-services/speech-service/context/context
       - name: Data, privacy, and security
         href: /legal/cognitive-services/speech-service/speech-to-text/data-privacy-security?context=/azure/ai-services/speech-service/context/context
     - name: Pronunciation Assessment