rm various unused fcts

App/AppOptions.cpp

App/AppOptions.h

Fit/Param/RealLimits.cpp

Fit/Param/RealLimits.h

GUI/Model/Device/InstrumentNotifier.cpp

GUI/Model/Device/InstrumentNotifier.h

GUI/View/Fit/FitActivityPanel.cpp

GUI/View/Fit/FitActivityPanel.h

GUI/View/Numeric/FixupDoubleValidator.cpp

GUI/View/Numeric/FixupDoubleValidator.h

GUI/View/Numeric/ScientificSpinBox.cpp

GUI/View/Numeric/ScientificSpinBox.h

GUI/View/Sample/SampleEditorController.cpp

GUI/View/Sample/SampleEditorController.h

Param/Distrib/Distributions.cpp

Param/Distrib/Distributions.h

Resample/Particle/ReParticle.cpp

Resample/Particle/ReParticle.h

Sample/HardParticle/IFormFactorPrism.cpp

Sample/HardParticle/IFormFactorPrism.h