message: Removed imports
diff: @@ -23,18 +23,9 @@ import {
  SidebarSpace,
  useSidebarOpenState,
  Link,
  - GroupIcon,
  - SidebarSubmenu,
  - SidebarSubmenuItem,
  } from '@backstage/core-components';
  import MenuIcon from '@material-ui/icons/Menu';
  import SearchIcon from '@material-ui/icons/Search';
  -import ApiIcon from '@material-ui/icons/Extension';
  -import ComponentIcon from '@material-ui/icons/Memory';
  -import DomainIcon from '@material-ui/icons/Apartment';
  -import ResourceIcon from '@material-ui/icons/Work';
  -import SystemIcon from '@material-ui/icons/Category';
  -import UserIcon from '@material-ui/icons/Person';
  const useSidebarLogoStyles = makeStyles({
  root: {
  