A Massachusetts bank regulator has issued long-sought guidance that softens some of the most onerous provisions of the state’s recently enacted predatory lending law. Whether the change will be enough to settle jittery lenders remains to be seen, however. At issue was a loan “suitability” standard in the Massachusetts Predatory Home Loan Act, which took effect Nov. 7. Similar to other state laws, the Bay State now requires that refinancing borrowers get a demonstrable…