use the new session management

src/components/logout.tsx

@@ -1,22 +1,15 @@
 import React, { useContext, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { AuthContext } from '../contexts';
+import { Session } from '../services';
 
 export const Logout: React.FC = () => {
   const context = useContext(AuthContext);
   const navigate = useNavigate();
 
   useEffect(() => {
-    sessionStorage.removeItem('token');
-    context.setAuth({
-      valid: false,
-      user: {
-        vatsimId: '',
-        fullName: '',
-        administrator: false,
-        airportConfigurationAccess: [],
-      },
-    });
+    Session.reset();
+    context.resetAuth();
     navigate('/');
   // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);