perf: speed up app loading

src/web/pages/helpers/siteAnnouncementPresentation.tsx

@@ -1,4 +1,3 @@
-import { marked } from 'marked';
 import { formatDateTimeLocal } from './checkinLogTime.js';
 
 const VOID_TAGS = new Set(['br', 'hr', 'img']);
@@ -367,8 +366,7 @@ export function renderSiteAnnouncementHtml(content: string): string {
   }
 
   if (isLikelyMarkdown(raw)) {
-    const rendered = String(marked.parse(raw, { gfm: true, breaks: true }));
-    return sanitizeAnnouncementHtml(rendered || renderMarkdown(raw));
+    return sanitizeAnnouncementHtml(renderMarkdown(raw));
   }
 
   return renderPlainText(raw);