Renamed capability file name.

src/NTwain/Triplets/Control/Capability.cs

@@ -1,7 +1,7 @@
 using NTwain.Data;
 using NTwain.Internals;
 
-namespace NTwain.Triplets
+namespace NTwain.Triplets.Control
 {
     /// <summary>
     /// Represents <see cref="DataArgumentType.Capability"/>.

src/NTwain/Triplets/DGCustom.cs

@@ -1,16 +0,0 @@
-//using System;
-//using System.Collections.Generic;
-//using System.Linq;
-//using System.Text;
-
-//namespace NTwain.Triplets
-//{
-//    /// <summary>
-//    /// Provides direct access to the triplet call.
-//    /// </summary>
-//    public partial class DGCustom : BaseTriplet
-//    {
-//        internal DGCustom(TwainSession session) : base(session) { }
-
-//    }
-//}

src/NTwain/TwainSession.Props.cs

@@ -42,11 +42,6 @@ namespace NTwain
         /// </summary>
         internal DGAudio DGAudio => dgAudio ?? (dgAudio = new DGAudio(this));
 
-        ///// <summary>
-        ///// Gets/sets the direct triplet operation entry for custom values.
-        ///// </summary>
-        //public DGCustom DGCustom { get; set; }
-
         /// <summary>
         /// Occurs when an enabled source has been disabled (back to state 4).
         /// </summary>