- [REM] account_budget: removal of field 'validating _user_id' on account.crossovered.budget, which is now replaced by inheritance with mail.thread
- [REM] account_budget: removal of field 'code' of account.crossovered.budget, which was not used and redondant with its name
- [REM] account_asset: removal of field 'note' of account.asset.category, which was not used and redondant with its name
- [REM] account: removal of field 'to_check' of account.move, which was redondant with state == 'draft'
- [REM] account_voucher: removal of field 'audit' of account.voucher, which was a fields.related on move_id.to_check