chore: remove fossa (#7013)

Author: martinjagodic

.github/workflows/fossa.yml

@@ -1,6 +1,6 @@
 ![Decap CMS](/img/decap.svg)
 
-[![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/decaporg/decap-cms/blob/master/LICENSE) [![Netlify Status](https://api.netlify.com/api/v1/badges/8b87160b-0a11-4f75-8050-1d21bc1cff8c/deploy-status)](https://app.netlify.com/sites/decap-www/deploys) [![npm version](https://img.shields.io/npm/v/decap-cms.svg?style=flat)](https://www.npmjs.com/package/decap-cms) [![Build Status](https://github.com/decaporg/decap-cms/workflows/Node%20CI/badge.svg)](https://github.com/decaporg/decap-cms/actions?query=branch%3Amaster+workflow%3A%22Node+CI%22) [![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fdecaporg%2Fdecap-cms.svg?type=shield&issueType=license)](https://app.fossa.com/projects/git%2Bgithub.com%2Fdecaporg%2Fdecap-cms?ref=badge_shield) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/decaporg/decap-cms/blob/master/CONTRIBUTING.md)
+[![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/decaporg/decap-cms/blob/master/LICENSE) [![Netlify Status](https://api.netlify.com/api/v1/badges/8b87160b-0a11-4f75-8050-1d21bc1cff8c/deploy-status)](https://app.netlify.com/sites/decap-www/deploys) [![npm version](https://img.shields.io/npm/v/decap-cms.svg?style=flat)](https://www.npmjs.com/package/decap-cms) [![Build Status](https://github.com/decaporg/decap-cms/workflows/Node%20CI/badge.svg)](https://github.com/decaporg/decap-cms/actions?query=branch%3Amaster+workflow%3A%22Node+CI%22) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/decaporg/decap-cms/blob/master/CONTRIBUTING.md)
 
 [decapcms.org](https://www.decapcms.org/) (formerly known as Netlify CMS)