[mirotalksfu] - delete duplicate

public/js/Room.js

@@ -155,7 +155,6 @@ function initClient() {
         );
         setTippy('switchPitchBar', 'Toggle audio pitch bar', 'right');
         setTippy('switchSounds', 'Toggle the sounds notifications', 'right');
-        setTippy('switchPitchBar', 'Toggle audio pitch bar', 'right');
         setTippy('whiteboardGhostButton', 'Toggle transparent background', 'bottom');
         setTippy('wbBackgroundColorEl', 'Background color', 'bottom');
         setTippy('wbDrawingColorEl', 'Drawing color', 'bottom');