BUG: 2916. Moved vtkSlicerModelsLogicAutoRemoveTest into the data module testing directory and use a datamodule logic instead of a models logic. Removed unused AutoRemoveDisplayAndStorageNodes  property of vtkSlicerModelsModuleLogic.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@21899 3bd1e089-480b-0410-8dfb-8563597acbee