Remove unused pytest-xdist dependency
Remove unused pytest-xdist dependency

manthey/girder,Kitware/girder,manthey/girder,Kitware/girder,RafaelPalomar/girder,girder/girder,girder/girder,RafaelPalomar/girder,manthey/girder,RafaelPalomar/girder,Kitware/girder,Kitware/girder,RafaelPalomar/girder,manthey/girder,RafaelPalomar/girder,girder/girder,girder/girder