Merge branch 'remove-roi' into 'develop'

Core/Export/SimulationToPython.cpp

Core/Simulation/OffSpecularSimulation.cpp

Device/Detector/IDetector.cpp

Device/Detector/IDetector.h

Device/Detector/IDetector2D.cpp

Device/Detector/IDetector2D.h

Device/Detector/RectangularDetector.cpp

Device/Detector/SpecularDetector1D.h

Device/Instrument/CoordSystem2D.cpp

Device/Instrument/CoordSystem2D.h

Device/Instrument/Instrument.cpp

Device/ProDetector/RegionOfInterest.cpp

Device/ProDetector/RegionOfInterest.h

GUI/Models/InstrumentItems.cpp

GUI/Models/MaskItems.cpp

GUI/Models/MaskItems.h

GUI/Models/TransformFromDomain.cpp

GUI/Views/MaskWidgets/MaskResultsPresenter.cpp

Tests/UnitTests/Core/Instrument/OffSpecularConverterTest.cpp

Tests/UnitTests/Core/Instrument/RectangularConverterTest.cpp