Changed Speech translation link

To make it consistent with the title of the page it links to, and shorten it on the page.

Author: oliver scholz

articles/cognitive-services/Speech-Service/index.yml

@@ -68,7 +68,7 @@ conceptualContent:
         text: Translate speech-to-text
         url: quickstarts/translate-speech-to-text.md
       - itemType: quickstart
-        text: Translate speech into multiple target languages
+        text: Translate speech to multiple languages
         url: quickstarts/translate-speech-to-text-multiple-languages.md
       - itemType: how-to-guide
         text: Speech translation basics