avoid some clippy warnings

src/api2/node.rs

@@ -8,15 +8,12 @@ mod syslog;
 mod services;
 
 pub fn router() -> Router {
-
-    let route = Router::new()
+    Router::new()
         .subdir("dns", dns::router())
         .subdir("network", network::router())
         .subdir("services", services::router())
         .subdir("syslog", syslog::router())
         .subdir("tasks", tasks::router())
         .subdir("time", time::router())
-        .list_subdirs();
-
-    route
+        .list_subdirs()
 }