In today’s Daily News, Matt Chaban reports (scroll down to the second item) that Citigroup Sandy Weill and wife Joan have giving up their toehold at 15 Central Park West, selling the servant’s apartment they bought for less than $1 million before the building opened for $5.65 million. Weill’s tenure at 15CPW was more profitable than it was happy for the banker, as readers will discover when House of Outrageous Fortune is published in three weeks and six days. That Weill on the New York Post’s wood at right.