remove deprecated articles

Author: eric-urban

.openpublishing.redirection.json

@@ -309,6 +309,16 @@
       "source_path_from_root": "/articles/ai-services/speech-service/how-to-migrate-to-prebuilt-neural-voice.md",
       "redirect_url": "/azure/ai-services/speech-service/custom-neural-voice",
       "redirect_document_id": false
+    },
+    {
+      "source_path_from_root": "/articles/ai-foundry/quickstarts/hear-speak-playground.md",
+      "redirect_url": "/azure/ai-foundry/quickstarts/get-started-playground",
+      "redirect_document_id": false
+    },
+    {
+      "source_path_from_root": "/articles/ai-services/language-service/tutorials/prompt-flow.md",
+      "redirect_url": "/azure/ai-services/language-service/tutorials/power-automate",
+      "redirect_document_id": false
     }
   ]
 }

articles/ai-foundry/quickstarts/hear-speak-playground.md

@@ -276,8 +276,6 @@ items:
       href: ../ai-services/speech-service/pronunciation-assessment-tool.md?context=/azure/ai-foundry/context/context
     - name: Speech translation
       href: ../ai-services/speech-service/get-started-speech-translation.md?context=/azure/ai-foundry/context/context
-    - name: Hear and speak with chat in the playground
-      href: quickstarts/hear-speak-playground.md
   - name:  Translator
     items:
     - name: What is Azure AI Translator?

articles/ai-foundry/toc.yml

@@ -713,8 +713,6 @@ items:
     href: tutorials/use-kubernetes-service.md
   - name: Use language in power automate flows
     href: tutorials/power-automate.md
-  - name: Use language in prompt flow
-    href: tutorials/prompt-flow.md
   - name: Native document support
     items:
     - name: Native documents for language processing