Fans counting down the days until Jennifer Lopez’s first arena tour in five years may have to wait a bit longer — at least in certain locations. The singer quietly canceled a handful of gigs, RadarOnline.com has learned, including planned stops in Nashville, Tenn., Raleigh, N.C., Atlanta, Ga., Tampa, Fla., and New Orleans, La. Ticketmaster’s website reflects the change as of Wednesday, axing the dates J Lo was slated to take the stage in various cities from Aug. 22 to Aug. 30. “No action is required to obtain a refund. It will be processed to the original method of payment used at time of purc…