remove ParticleDistribution from sample, core, swig

Core/Export/SampleToPython.cpp

Core/Export/SampleToPython.h

GUI/coregui/Models/GUIDomainSampleVisitor.cpp

GUI/coregui/Models/GUIDomainSampleVisitor.h

GUI/coregui/Models/ParticleLayoutItem.cpp

GUI/coregui/Models/TransformToDomain.h

GUI/coregui/Views/RealSpaceWidgets/RealSpaceBuilderUtils.h

Param/Node/INodeVisitor.h

Sample/Aggregate/ParticleLayout.cpp

Sample/Particle/IAbstractParticle.h

Sample/Particle/ParticleDistribution.cpp

Sample/Particle/ParticleDistribution.h

Sample/StandardSamples/ParticleDistributionsBuilder.cpp

Sample/StandardSamples/SizeDistributionModelsBuilder.cpp

Tests/Performance/Core/ThreadingComponents.cpp

Tests/UnitTests/Core/Sample/ParticleDistributionTest.cpp

Wrap/Swig/libBornAgainSample.i

auto/Wrap/doxygenParam.i

auto/Wrap/libBornAgainParam.py

auto/Wrap/libBornAgainParam_wrap.cpp