fix(blog): remove unused metadata import causing lint warning

app/[locale]/blog/page.tsx

@@ -3,7 +3,7 @@ import Image from 'next/image';
 import { getAllPosts } from '@/lib/blog';
 import { Section, Container, Heading, Card, Badge, Button } from '@/components/ui';
 import Reveal from '@/components/Reveal';
-import { Metadata } from 'next';
+
 import { getTranslations, setRequestLocale } from 'next-intl/server';
 import { SITE_URL } from '@/lib/schema';
 import { BlogPaginationKeyboardObserver } from '@/components/blog/BlogPaginationKeyboardObserver';