fix: remove end call from busy

app/src/main/java/org/thoughtcrime/securesms/service/WebRtcCallService.kt

@@ -294,10 +294,8 @@ class WebRtcCallService: Service(), CallManager.WebRtcListener {
 
     private fun handleBusyCall(intent: Intent) {
         val recipient = getRemoteRecipient(intent)
-        val callId = getCallId(intent)
         val callState = callManager.currentConnectionState
 
-        callManager.handleBusyCall(callId, recipient)
         insertMissedCall(recipient, false)
 
         if (callState == STATE_IDLE) {

app/src/main/java/org/thoughtcrime/securesms/webrtc/CallManager.kt

@@ -627,10 +627,6 @@ class CallManager(context: Context, audioManager: AudioManagerCompat, private va
         }
     }
 
-    fun handleBusyCall(callId: UUID, recipient: Recipient): Promise<Unit, Exception> {
-        return MessageSender.sendNonDurably(CallMessage.endCall(callId), recipient.address)
-    }
-
     fun handleAudioCommand(audioCommand: AudioManagerCommand) {
         signalAudioManager.handleCommand(audioCommand)
     }