Relatively new Columbia Heights chicken carryout spot Kiko’s Chicken has closed up shop, Prince of Petworth reports. The restaurant had only opened in March, but had kept odd and inconsistent operating hours, often closing at 8 p.m. on weeknights. For those who had a chance to try out Kiko’s equally inconsistent online ordering service, their memorable/grating theme song, “I want to eat … Kiko’s right now!” will surely be missed. A message on the…