removing unrequired async

Author: jkyberneees

lib/router/sequential.js

@@ -55,7 +55,7 @@ module.exports = (config = {}) => {
     return this
   }
 
-  router.lookup = async (req, step) => {
+  router.lookup = (req, step) => {
     const url = new URL(req.url)
     req.path = url.pathname || '/'
     req.query = url.queryparams