No functional change,remove a comma

just remove a comma.for some IDE alerts

lib/sequelize.js

@@ -547,7 +547,7 @@ module.exports = (function() {
         plural: Utils.inflection.pluralize(modelName),
         plural: Utils.inflection.pluralize(modelName),
         singular: Utils.inflection.singularize(modelName)
         singular: Utils.inflection.singularize(modelName)
       },
       },
-      indexes: [],
+      indexes: []
     }, options);
     }, options);
 
 
     options.omitNull = globalOptions.omitNull;
     options.omitNull = globalOptions.omitNull;