[Audio Player] Remove durationChanged hander in 'control-panel' element

ui/file_manager/audio_player/elements/control_panel.js

Index: ui/file_manager/audio_player/elements/control_panel.js
diff --git a/ui/file_manager/audio_player/elements/control_panel.js b/ui/file_manager/audio_player/elements/control_panel.js
index 877f26eeafccb9c8047c25b641434d9ff1514f92..e4de2f68a077ac742d1dd27c04524ea519e76412 100644
--- a/ui/file_manager/audio_player/elements/control_panel.js
+++ b/ui/file_manager/audio_player/elements/control_panel.js
@@ -115,16 +115,6 @@
     playing: false,
 
     /**
-     * Invoked when the 'duration' property is changed.
-     * @param {number} oldValue old value.
-     * @param {number} newValue new value.
-     */
-    durationChanged: function(oldValue, newValue) {
-      // Reset the current playback position.
-      this.time = 0;
-    },
-
-    /**
      * Invoked when the next button is clicked.
      */
     nextClick: function() {