Fix #5725

bigbluebutton-config/bin/bbb-conf

@@ -1983,6 +1983,10 @@ if [ $CLEAN ]; then
 		rm -f /var/log/bbb-transcode-akka/*
 	fi
 
+	if [ -d /var/log/bbb-webrtc-sfu ]; then
+		rm -f /var/log/bbb-webrtc-sf/*
+	fi
+
 	start_bigbluebutton
 	check_state
 fi