fix: remove Node.js security WG disclosure program

Author: fraxken

README.md

@@ -1,8 +1,6 @@
 # lstree
 ![version](https://img.shields.io/badge/dynamic/json.svg?url=https://raw.githubusercontent.com/TopCli/lstree/master/package.json&query=$.version&label=Version)
 [![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg)](https://github.com/TopCli/lstree/commit-activity)
-[![Security Responsible Disclosure](https://img.shields.io/badge/Security-Responsible%20Disclosure-yellow.svg)](https://github.com/nodejs/security-wg/blob/master/processes/responsible_disclosure_template.md
-)
 [![mit](https://img.shields.io/github/license/Naereen/StrapDown.js.svg)](https://github.com/TopCli/lstree/blob/master/LICENSE)
 ![build](https://img.shields.io/github/workflow/status/TopCli/lstree/Node.js%20CI)