docs(list): get rid of unneeded divider
docs(list): get rid of unneeded divider

fixes issue https://github.com/driftyco/ionic/issues/6777
ionic-team/ionic-site,driftyco/ionic-site,ionic-team/ionic-site,driftyco/ionic-site,driftyco/ionic-site,ionic-team/ionic-site,driftyco/ionic-site,ionic-team/ionic-site,driftyco/ionic-site