delete 'Streamer'

GUI/Model/CatSample/InterferenceItemCatalog.cpp

GUI/Model/CatSample/ItemWithParticlesCatalog.cpp

GUI/Model/Descriptor/DistributionItems.cpp

GUI/Model/Descriptor/SelectionProperty.h

GUI/Model/Device/BeamItems.cpp

GUI/Model/Device/ResolutionFunctionItems.cpp

GUI/Model/Device/SpecularBeamInclinationItem.cpp

GUI/Model/Job/JobItem.cpp

GUI/Model/Project/ProjectDocument.cpp

GUI/Model/Sample/CompoundItem.cpp

GUI/Model/Sample/FormFactorItems.h

GUI/Model/Sample/LayerItem.cpp

GUI/Model/Sample/MaterialItem.cpp

GUI/Model/Sample/ParticleLayoutItem.cpp

GUI/Model/Sample/SampleValidator.cpp

GUI/Model/ToCore/SampleToCore.cpp

GUI/Support/Data/SimulationOptionsItem.cpp

GUI/Support/XML/Streamer.cpp

GUI/Support/XML/Streamer.h

GUI/View/Instrument/DistributionEditor.cpp