If you leave or delete a group, the app prompts you whether to Keep it or Remove it. If you choose Keep, it sticks around, but as far as I can tell there's no way to remove it after that. (On iOS you can tap and hold on the row and choose Delete (which should be "Remove").)
If you leave or delete a group, the app prompts you whether to Keep it or Remove it. If you choose Keep, it sticks around, but as far as I can tell there's no way to remove it after that. (On iOS you can tap and hold on the row and choose Delete (which should be "Remove").)