By Tatiana Bautzer and Nupur Anand NEW YORK (Reuters) – U.S. bank CEOs expressed confidence in the dealmaking outlook and the health of U.S. consumers at an industry conference in New York on Wednesday. Bank of America’s buildup of advisory work on upcoming mergers and acquisitions is strong, while its pipelines for initial public offerings “are full and ready to go,” CEO Brian Moynihan told attendees. Meanwhile, KeyCorp (NYSE:) CEO