Fans think Karrahboo is done with Concrete Boys after being a no-show at Broccoli City Festival. Karrahboo and Lil Yachty’s group, Concrete Boys, have seemingly parted ways. As caught by No Jumper, she’s no longer listed on the group’s Instagram page and did not perform with them at Broccoli City Festival in Washington D.C. on Friday. Fans took note of …