Revert "Update simpleattributeselect.php"

This reverts commit 9cf9a1e1ee22cca4fe0e733a9bd5c89137f57e41.
Update simpleattributeselect.php

fix menu display (reverse-merged from commit 9cf9a1e1ee22cca4fe0e733a9bd5c89137f57e41)