remove icons from sidenav
remove icons from sidenav

BS3 commit e5a9a1f5ff12bd0aa0159db4f12f46dcadf08456

2947721120/todc-bootstrap,2947721120/googlebt4,up2vs/todc-bootstrap,todc/todc-bootstrap,todc/todc-bootstrap,aaroncnhk/todc-bootstrap,todc/todc-bootstrap,mozillo/todc-bootstrap,ztx1491/todc-bootstrap