Remove dead code

What it says on the tin

DvdLib/Ifo/AudioAttributes.cs

@@ -1,36 +0,0 @@
-namespace DvdLib.Ifo
-{
-    public enum AudioCodec
-    {
-        AC3 = 0,
-        MPEG1 = 2,
-        MPEG2ext = 3,
-        LPCM = 4,
-        DTS = 6,
-    }
-
-    public enum ApplicationMode
-    {
-        Unspecified = 0,
-        Karaoke = 1,
-        Surround = 2,
-    }
-
-    public class AudioAttributes
-    {
-        public readonly AudioCodec Codec;
-        public readonly bool MultichannelExtensionPresent;
-        public readonly ApplicationMode Mode;
-        public readonly byte QuantDRC;
-        public readonly byte SampleRate;
-        public readonly byte Channels;
-        public readonly ushort LanguageCode;
-        public readonly byte LanguageExtension;
-        public readonly byte CodeExtension;
-    }
-
-    public class MultiChannelExtension
-    {
-
-    }
-}

DvdLib/Ifo/PgcCommandTable.cs

@@ -1,17 +0,0 @@
-using System.Collections.Generic;
-
-namespace DvdLib.Ifo
-{
-    public class ProgramChainCommandTable
-    {
-        public readonly ushort LastByteAddress;
-        public readonly List<VirtualMachineCommand> PreCommands;
-        public readonly List<VirtualMachineCommand> PostCommands;
-        public readonly List<VirtualMachineCommand> CellCommands;
-    }
-
-    public class VirtualMachineCommand
-    {
-        public readonly byte[] Command;
-    }
-}

DvdLib/Ifo/ProgramChain.cs

@@ -25,13 +25,10 @@ namespace DvdLib.Ifo
         public byte[] SubpictureStreamControl { get; private set; } // 32*4 entries
 
         private ushort _nextProgramNumber;
-        public readonly ProgramChain Next;
 
         private ushort _prevProgramNumber;
-        public readonly ProgramChain Previous;
 
         private ushort _goupProgramNumber;
-        public readonly ProgramChain Goup; // ?? maybe Group
 
         public ProgramPlaybackMode PlaybackMode { get; private set; }
         public uint ProgramCount { get; private set; }
@@ -40,7 +37,6 @@ namespace DvdLib.Ifo
         public byte[] Palette { get; private set; } // 16*4 entries
 
         private ushort _commandTableOffset;
-        public readonly ProgramChainCommandTable CommandTable;
 
         private ushort _programMapOffset;
         private ushort _cellPlaybackOffset;

DvdLib/Ifo/VideoAttributes.cs

@@ -1,46 +0,0 @@
-namespace DvdLib.Ifo
-{
-    public enum VideoCodec
-    {
-        MPEG1 = 0,
-        MPEG2 = 1,
-    }
-
-    public enum VideoFormat
-    {
-        NTSC = 0,
-        PAL = 1,
-    }
-
-    public enum AspectRatio
-    {
-        ar4to3 = 0,
-        ar16to9 = 3
-    }
-
-    public enum FilmMode
-    {
-        None = -1,
-        Camera = 0,
-        Film = 1,
-    }
-
-    public class VideoAttributes
-    {
-        public readonly VideoCodec Codec;
-        public readonly VideoFormat Format;
-        public readonly AspectRatio Aspect;
-        public readonly bool AutomaticPanScan;
-        public readonly bool AutomaticLetterBox;
-        public readonly bool Line21CCField1;
-        public readonly bool Line21CCField2;
-        public readonly int Width;
-        public readonly int Height;
-        public readonly bool Letterboxed;
-        public readonly FilmMode FilmMode;
-
-        public VideoAttributes()
-        {
-        }
-    }
-}