docs(www): clean up duplicate changelog entries from release script

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

Author: lane711

www/src/app/changelog/page.mdx

@@ -67,6 +67,7 @@ export const sections = [
 
 
 
+
 {/* Version 2.16.1 */}
 <div className="relative pl-8 pb-8 border-l-2 border-emerald-200 dark:border-emerald-800">
   <div className="absolute -left-3 top-0 w-6 h-6 rounded-full bg-emerald-500 border-4 border-white dark:border-gray-900 shadow-lg"></div>