Remove broken badge from README

Author: alex-friedl

README.md

@@ -7,7 +7,6 @@ A node.js module for interfacing with Apple Push Notification, Google Cloud Mess
 [![Downloads](http://img.shields.io/npm/dm/node-pushnotifications.svg?style=flat)](https://npmjs.org/package/node-pushnotifications)
 [![node-pushnotifications CI](https://github.com/appfeel/node-pushnotifications/actions/workflows/ci.yml/badge.svg)](https://github.com/appfeel/node-pushnotifications/actions/workflows/ci.yml)
 [![Coverage Status](https://coveralls.io/repos/github/appfeel/node-pushnotifications/badge.svg?branch=master)](https://coveralls.io/github/appfeel/node-pushnotifications?branch=master)
-[![Dependencies](https://david-dm.org/appfeel/node-pushnotifications/status.svg)](https://david-dm.org/appfeel/node-pushnotifications)
 [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
 
 - [Installation](#installation)