rm blank lines inside '#include' and 'using' blocks

App/AppOptions.h

Base/Axis/Scale.cpp

Base/Math/Bessel.cpp

Base/Math/Functions.cpp

Base/Py/PyFmt.cpp

Base/Vector/GisasDirection.cpp

Device/Beam/Beam.cpp

Device/Beam/FootprintGauss.cpp

Device/Beam/FootprintSquare.cpp

Device/Data/Datafield.h

Device/Detector/Detector2D.cpp

Device/Mask/Line.cpp

Device/Mask/Polygon.cpp

Fit/Adapter/MinimizerAdapter.cpp

Fit/Minimizer/Types.h

Fit/Residual/RootResidualFunction.cpp

Fit/Residual/ScalarFunctionAdapter.cpp

GUI/Model/Device/InstrumentItems.cpp

GUI/Model/FromCore/ItemizeSample.cpp

GUI/Support/Data/JobStatus.cpp