Remove deprecated code

virtweb_frontend/src/widgets/BaseAuthenticatedPage.tsx

@@ -13,8 +13,7 @@ import {
   List,
   ListItemButton,
   ListItemIcon,
-  ListItemSecondaryAction,
-  ListItemText,
+  ListItemText
 } from "@mui/material";
 import { Outlet, useLocation } from "react-router-dom";
 import { RouterLink } from "./RouterLink";
@@ -95,7 +94,6 @@ function NavLink(p: {
   icon: React.ReactElement;
   uri: string;
   label: string;
-  secondaryAction?: React.ReactElement;
 }): React.ReactElement {
   const location = useLocation();
   return (
@@ -103,9 +101,6 @@ function NavLink(p: {
       <ListItemButton selected={p.uri === location.pathname}>
         <ListItemIcon>{p.icon}</ListItemIcon>
         <ListItemText primary={p.label} />
-        {p.secondaryAction && (
-          <ListItemSecondaryAction>{p.secondaryAction}</ListItemSecondaryAction>
-        )}
       </ListItemButton>
     </RouterLink>
   );