fix(lint): remove remaining unused mock variables in archive page

Author: devsebastian44

src/pages/archive.astro

@@ -16,11 +16,6 @@ const formatDate = (date: Date) => {
     });
 };
 
-// Initial state for progress bar (example: 12 posts out of 20)
-// In a real app, this would be dynamic.
-const totalArticlesCount = 50; // Mock total
-const currentArticlesCount = allPosts.length;
-// progressPercentage removed as it was unused
 ---
 
 <Layout title="Article Archive | DevBlog">