Good news for those of you saddened by the disappearance of Ken and Linda Lay’s gargantuan 33rd-floor Upper Kirby condo from the MLS rolls at the end of last month: Your opportunity to watch the asking price on the castle-in-the-sky penthouse float down to earth is back! Where had it gone? “It appears the Huntingdon high-rise condo at 2121 Kirby was removed from the multiple listing service for a few days so it could be relisted without showing that the price was reduced . . . again,” reports the HBJ‘s Jennifer Dawson. “That seems to be a common trick of the trade with Realtors.”