fixed azure bot service feature for QnA

Author: jboback

articles/cognitive-services/QnAMaker/Overview/overview.md

@@ -63,8 +63,6 @@ Once a QnA Maker knowledge base is published, a client application sends a quest
 
 The QnA Maker portal provides the complete knowledge base authoring experience. You can import documents, in their current form, to your knowledge base. These documents (such as an FAQ, product manual, spreadsheet, or web page) are converted into question and answer pairs. Each pair is analyzed for follow-up prompts and connected to other pairs. The final _markdown_ format supports rich presentation including images and links.
 
-Once your knowledge base is edited, publish the knowledge base to a working [Azure Web App bot](https://azure.microsoft.com/services/bot-service/) without writing any code. Test your bot in the [Azure portal](https://portal.azure.com) or download it and continue development.
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 ## High quality responses with layered ranking
 
 QnA Maker's system is a layered ranking approach. The data is stored in Azure search, which also serves as the first ranking layer. The top results from Azure search are then passed through QnA Maker's NLP re-ranking model to produce the final results and confidence score.