How to remove 'Unresponsive' label from user profile page

The following code needs to be added in fucntions.php from child theme: 

add_action( 'after_setup_theme', 'wpj_remove_up_unresponsive_label' );
function wpj_remove_up_unresponsive_label() {
	remove_filter( 'wpj_user_rating_filter', 'wpj_sor_display_unresponsive_label' );
}