Fix double Dashboard entry in admin sidebar navigation

src/app/admin/layout.tsx

@@ -85,16 +85,6 @@ async function Sidebar({
 
 			{/* Navigation */}
 			<nav className="flex-1 overflow-y-auto px-3 py-4">
-				{/* Dashboard link at the top */}
-				<div className="mb-3">
-					<AdminNavLink
-						href="/admin"
-						icon={<LayoutDashboard size={16} />}
-					>
-						Dashboard
-					</AdminNavLink>
-				</div>
-
 				{ADMIN_NAV_GROUPS.map((group, gi) => {
 					const GroupIcon = group.icon;
 					return (