recordong clean up

Author: rzdor

articles/communication-services/how-tos/calling-sdk/record-calls.md

@@ -61,11 +61,6 @@ callRecordingApi.on('isRecordingActiveChanged', isComplianceRecordingActiveChang
 ```
 
 Compliance recording could be implemented by using custom recording bot [GitHub Example](https://github.com/microsoftgraph/microsoft-graph-comms-samples/tree/a3943bafd73ce0df780c0e1ac3428e3de13a101f/Samples/BetaSamples/LocalMediaSamples/ComplianceRecordingBot).<br>
-To hide this bot from participant roster we need to add specific metadata information, it will be used by Azure Communication SDK and Teams client:
-```json
-    "metadata": {"__platform":{"ui":{"hidden":true}
-```
-
 
 ## Next steps
 - [Learn how to manage calls](./manage-calls.md)