Remove duplicated typo

Author: skydoves

docusaurus/docs/Android/02-tutorials/02-audio-room.mdx

@@ -195,7 +195,6 @@ Replace the code in `setContent` with the following sample:
 ```kotlin
 setContent {
     VideoTheme {
-        val connection by call.state.connection.collectAsState()
         val connection by call.state.connection.collectAsState()
         val activeSpeakers by call.state.activeSpeakers.collectAsState()
         val audioLevel = activeSpeakers.firstOrNull()?.audioLevel?.collectAsState()