featuer change for calendar

frontend/src/components/shared/Sidebar.tsx

@@ -14,8 +14,6 @@ import {
   Build,
   People,
   Air,
-  Event,
-  BookOnline,
   CalendarMonth,
 } from '@mui/icons-material';
 import { useNavigate, useLocation } from 'react-router-dom';
@@ -39,21 +37,11 @@ const navigationItems: NavigationItem[] = [
     icon: <CalendarMonth />,
     path: '/kalender',
   },
-  {
-    text: 'Veranstaltungen',
-    icon: <Event />,
-    path: '/veranstaltungen',
-  },
   {
     text: 'Fahrzeuge',
     icon: <DirectionsCar />,
     path: '/fahrzeuge',
   },
-  {
-    text: 'Fahrzeugbuchungen',
-    icon: <BookOnline />,
-    path: '/fahrzeugbuchungen',
-  },
   {
     text: 'Ausrüstung',
     icon: <Build />,