Remove archivedSeries from useGlobalSearch (field does not exist on SiteContent)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/hooks/useGlobalSearch.ts

@@ -118,17 +118,6 @@ export function useGlobalSearch(content: SiteContent) {
       }
     }
 
-    for (const series of content.archivedSeries ?? []) {
-      results.push({
-        id: `series-${series.id}`,
-        type: 'series',
-        title: series.title,
-        subtitle: series.label || 'Archived Series',
-        description: series.description,
-        href: `/episodes#${series.id}`,
-      })
-    }
-
     for (const q of questions) {
       results.push({
         id: `qa-${q.id}`,