remove gratipay

Author: sysulq

README.md

@@ -3,7 +3,6 @@
 [![Build Status](https://travis-ci.org/hnlq715/nginx-vts-exporter.svg?branch=master)](https://travis-ci.org/hnlq715/nginx-vts-exporter)
 [![Docker Pulls](https://img.shields.io/docker/pulls/sophos/nginx-vts-exporter.svg)](https://hub.docker.com/r/sophos/nginx-vts-exporter)
 [![Go Report Card](https://goreportcard.com/badge/github.com/hnlq715/nginx-vts-exporter)](https://goreportcard.com/report/github.com/hnlq715/nginx-vts-exporter)
-[![Gratipay User](https://img.shields.io/gratipay/user/hnlq715.svg)](https://gratipay.com/hnlq715/)
 
 Simple server that scrapes Nginx [vts](https://github.com/vozlt/nginx-module-vts) stats and exports them via HTTP for Prometheus consumption