Removing the default audio format media streaming (Azure#47841)

* Media streaming audio format default Pcm24kMono changed to null

* updating the audio format changes and reverting the export api script changes

* updating the script end line space

* removing the recorded files

* updating the records for the media streaming

* re recording live test

---------

Co-authored-by: Vinothini Dharmaraj <[email protected]>

Author: v-pivamshi

sdk/communication/Azure.Communication.CallAutomation/assets.json

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "net",
   "TagPrefix": "net/communication/Azure.Communication.CallAutomation",
-  "Tag": "net/communication/Azure.Communication.CallAutomation_639a28e13e"
+  "Tag": "net/communication/Azure.Communication.CallAutomation_695d00bda2"
 }

sdk/communication/Azure.Communication.CallAutomation/src/CallAutomationClient.cs

@@ -821,7 +821,7 @@ private static MediaStreamingOptionsInternal CreateMediaStreamingOptionsInternal
                 ? default
                 : new MediaStreamingOptionsInternal(configuration.TransportUri.AbsoluteUri, configuration.MediaStreamingTransport,
                 configuration.MediaStreamingContent, configuration.MediaStreamingAudioChannel, configuration.StartMediaStreaming,
-                configuration.EnableBidirectional, configuration.AudioFormat == null ? AudioFormat.Pcm24KMono : configuration.AudioFormat);
+                configuration.EnableBidirectional, configuration.AudioFormat);
         }
         private static TranscriptionOptionsInternal CreateTranscriptionOptionsInternal(TranscriptionOptions configuration)
         {