KANSAS CITY, Mo. — Times have changed for the Chiefs. A little more than a year ago, the Chiefs were the focus of a goofy proclamation from Cincinnati Mayor Aftab Pureval. Chiefs tight end Travis Kelce later called Pureval a jabroni, and everyone in Kansas City had a good laugh. Now Kelce is dating international singing sensation Taylor Swift, and that’s led to a media release from the Japan Embassy in Washington D.C. Swift, who saw the Chiefs win the AFC championship game in Baltimore on Sunday, soon will be heading to Japan to begin the latest leg of her Eras Tour. She will be playing four s…