res.company now has its own bank_ids field, so there is no need to add it anymore. Plus the overridden version was causing various inconsistency issues and rather confusing. bzr revid: odo@openerp.com-20120127125840-n4rvynswgq61p316
bzr revid: qdp-launchpad@openerp.com-20111223115602-65yxx421cyyylmwb
bzr revid: qdp-launchpad@openerp.com-20111223103637-ltq8x53f4tjbmd8b