upgrade_450()

2121function upgrade_450() {2122	global $wp_current_db_version, $wpdb;2123 2124	if ( $wp_current_db_version < 36180 ) {2125		wp_clear_scheduled_hook( 'wp_maybe_auto_update' );2126	}2127 2128	// Remove unused email confirmation options, moved to usermeta.2129	if ( $wp_current_db_version < 36679 && is_multisite() ) {2130		$wpdb->query( "DELETE FROM $wpdb->options WHERE option_name REGEXP '^[0-9]+_new_email$'" );2131	}2132 2133	// Remove unused user setting for wpLink.2134	delete_user_setting( 'wplink' );2135}