fix: don’t add options with parents to defaults

lib/config/defaults.js

@@ -22,7 +22,9 @@ function getConfig() {
   const options = configDefinitions.getOptions();
   const config = {};
   options.forEach(option => {
-    config[option.name] = getDefault(option);
+    if (!option.parents) {
+      config[option.name] = getDefault(option);
+    }
   });
   return config;
 }