chore: remove snyk badge

Author: mefellows

README.md

@@ -12,7 +12,6 @@
 [![Coverage Status](https://coveralls.io/repos/github/pact-foundation/pact-js/badge.svg?branch=master)](https://coveralls.io/github/pact-foundation/pact-js?branch=master)
 [![Code Climate](https://codeclimate.com/github/pact-foundation/pact-js/badges/gpa.svg)](https://codeclimate.com/github/pact-foundation/pact-js)
 [![Issue Count](https://codeclimate.com/github/pact-foundation/pact-js/badges/issue_count.svg)](https://codeclimate.com/github/pact-foundation/pact-js)
-[![Known Vulnerabilities](https://snyk.io/test/github/pact-foundation/pact-js/badge.svg?targetFile=package.json)](https://snyk.io/test/github/pact-foundation/pact-js?targetFile=package.json)
 [![license](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/pact-foundation/pact-js/blob/master/LICENSE)
 [![slack](https://slack.pact.io/badge.svg)](https://slack.pact.io)