GUI: No longer disable stats widgets in preview

Since there are now separate audio vuMeters, nothing gets sent via
loopback to the receiving side anymore, so there is no need to disable
those.

Author: mpiatka

gui/QT/window/ultragrid_window.cpp

@@ -452,16 +452,6 @@ void UltragridWindow::processStateChanged(UgProcessManager::State state){
 	previewStatus.setText(vals.previewText);
 	processStatus.setText(vals.ugText);
 
-	/* Currently the preview for audio (vuMeter) sends the audio locally and
-	 * the volumes are reported from the recv side of ug. This causes ug to
-	 * report recv loss from the local loopback stream, which could confuse
-	 * users into believing they are receiving something from the network. For
-	 * now we just disable the widget when preview is running. TODO: Remove
-	 * when separate vuMeters for send and recv are implemented.
-	 */
-	receiverLoss.setEnabled(state == UgProcessManager::State::UgRunning);
-	ui.send_bandwidth->setEnabled(state == UgProcessManager::State::UgRunning);
-
 	receiverLoss.reset();
 	rtcpRr.reset();
 	ui.send_bandwidth->reset();