Revert "Merge branch 'b9674-selectRequired' into 'master'"

This reverts merge request !217

javascript/src/QfqForm.js

@@ -1251,12 +1251,6 @@ var QfqNS = QfqNS || {};
 
                 if (configurationItem.required !== undefined) {
                     element.setRequired(configuration.required);
-                    if(element.$element) {
-                        if(element.$element.is("select")) {
-                            element.$element.prop('required', true);
-                            element.$element.attr('data-required', 'yes');
-                        }
-                    }
                 }
             } catch (e) {
                 n.Log.error(e.message);