<ui>
    <popup name="DvdContextMenu">
        <menuitem name="GoToMenu" action="GoToMenuAction"/>
        <menuitem name="AudioTrack" action="AudioTrackAction"/>
        <menuitem name="SourcePreferences" action="SourcePreferencesAction"/>
        <separator/>
        <menuitem name="UnmapSource" action="UnmapSourceAction"/>
    </popup>
</ui>

<ui>
    <popup name="DvdContextMenu">
        <menuitem name="GoToMenu" action="GoToMenuAction"/>
        <menuitem name="SourcePreferences" action="SourcePreferencesAction"/>
        <separator/>
        <menuitem name="UnmapSource" action="UnmapSourceAction"/>
    </popup>
</ui>

Remove unused AudioTrack menu item for DVDs
OpticalDisc: Remove unused AudioTrack menu item for DVDs
