Removed IFileRead.Callback

Adaptation/FileHandlers/Dummy/FileRead.cs

@@ -101,8 +101,6 @@ public class FileRead : Shared.FileRead, IFileRead
             throw new Exception();
     }
 
-    void IFileRead.Callback(object state) => Callback(state);
-
     private void CallbackInProcessCleared(string sourceArchiveFile, string traceDummyFile, string targetFileLocation, string monARessource, string inProcessDirectory, long sequence, bool warning)
     {
         const string site = "sjc";