fix: remove unused urlObj to satisfy linter

scripts/wcag-sitemap.ts

@@ -94,8 +94,8 @@ async function main() {
       baseConfig = JSON.parse(fs.readFileSync(baseConfigPath, 'utf8'));
     }
 
-    // Extract domain for cookie
-    const urlObj = new URL(targetUrl);
+    // Extract domain for cookie (not currently used)
+    // const urlObj = new URL(targetUrl);
     // domain is not used, so remove or keep if needed later? Linter says unused.
     // const domain = urlObj.hostname;