feature plus ux rearrangements

frontend/src/routes/logout/+page.server.ts

@@ -1,10 +1,10 @@
 import { redirect } from '@sveltejs/kit';
-import { clearSessionCookie } from '$lib/server/session';
+import { clearSessionCookie, clearLegacyCookies } from '$lib/server/session';
 
 function signOut(event: { cookies: any }) {
 	clearSessionCookie(event.cookies);
 	event.cookies.delete('session', { path: '/' });
-	event.cookies.delete('device_token', { path: '/' });
+	clearLegacyCookies(event.cookies);
 }
 
 export function load(event) {