fix(specs): userData is any type

Author: millotp

specs/common/schemas/IndexSettings.yml

@@ -768,7 +768,6 @@ hitsPerPage:
     - Pagination
 
 userData:
-  type: object
   example:
     settingID: f2a7b51e3503acc6a39b3784ffb84300
     pluginVersion: 1.6.0