Remove saving of model_ for LIBs
Remove saving of model_ for LIBs

It conflicts with the class model for FObject since FObject is a LIB and a CLASS.

jacksonic/vjlofvhjfgm,foam-framework/foam2,foam-framework/foam2,jacksonic/vjlofvhjfgm,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2,jacksonic/vjlofvhjfgm