- unified handling for deleting channels (action based on file format support either mark-as-deleted, remove-from-file, append-at-end)

- added unit tests
- internal code cleanup

source/ChanSort.Loader.Panasonic/DbChannel.cs

@@ -8,7 +8,6 @@ namespace ChanSort.Loader.Panasonic
 {
   internal class DbChannel : ChannelInfo
   {
-    internal int Bits;
     internal byte[] RawName;
 
     #region ctor()