RALEIGH, N.C. — As the calendar flipped from January to February, the Sharks turned the page on a month of sloppy-defensive hockey, regaining their team identity in the process. The Sharks (28-16-8) put together another solid-defensive performance Sunday, holding the Carolina Hurricanes (24-21-8) to 29 shots on goal en route to a 3-1 win in Raleigh.…