Fixed double-moving of queue when using the next and prev hotkeys on Mac

Author: guswynn

app/public/js/player/playerCtrl.js

@@ -203,7 +203,7 @@ app.controller('PlayerCtrl', function ($scope, $rootScope, playerService, queueS
     });
 
     hotkeys.add({
-        combo: ['command+right', 'ctrl+right'],
+        combo: 'ctrl+right',
         description: 'Next song',
         callback: function() {
             if ( $rootScope.isSongPlaying ) {
@@ -213,7 +213,7 @@ app.controller('PlayerCtrl', function ($scope, $rootScope, playerService, queueS
     });
 
     hotkeys.add({
-        combo: ['command+left', 'ctrl+left'],
+        combo: 'ctrl+left',
         description: 'Prev song',
         callback: function() {
             if ( $rootScope.isSongPlaying ) {