Remove unneeded #include.

Re #18091

Framework/DataHandling/inc/MantidDataHandling/LoadILLTOF2.h

 #ifndef MANTID_DATAHANDLING_LOADILLTOF2_H_
 #define MANTID_DATAHANDLING_LOADILLTOF2_H_
 
-//---------------------------------------------------
-// Includes
-//---------------------------------------------------
 #include "MantidAPI/IFileLoader.h"
 #include "MantidNexus/NexusClasses.h"
-#include "MantidDataHandling/LoadHelper.h"
 #include "MantidGeometry/IDTypes.h"
-#include "MantidAPI/Progress.h"
 
 namespace Mantid {
 namespace DataHandling {