Remove Docker Cloud build badge

(as Docker images are instead built during CI/CD)

CONTRIBUTING.md

 # Contributing [![GitHub contributors](https://img.shields.io/github/contributors/bkimminich/juice-shop.svg)](https://github.com/bkimminich/juice-shop/graphs/contributors) [![JavaScript Style Guide](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](http://standardjs.com/)
 
 ![CI/CD Pipeline](https://github.com/bkimminich/juice-shop/workflows/CI/CD%20Pipeline/badge.svg?branch=master)
-[![Docker Cloud Build Status](https://img.shields.io/docker/cloud/build/bkimminich/juice-shop.svg)](https://cloud.docker.com/repository/docker/bkimminich/juice-shop/builds)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/f6959582d3acc8bc2607/test_coverage)](https://codeclimate.com/github/bkimminich/juice-shop/test_coverage)
 [![Maintainability](https://api.codeclimate.com/v1/badges/f6959582d3acc8bc2607/maintainability)](https://codeclimate.com/github/bkimminich/juice-shop/maintainability)
 ![Gitlab pipeline status](https://img.shields.io/gitlab/pipeline/bkimminich/juice-shop.svg)

README.md

@@ -7,7 +7,6 @@
 
 
 ![CI/CD Pipeline](https://github.com/bkimminich/juice-shop/workflows/CI/CD%20Pipeline/badge.svg?branch=master)
-[![Docker Cloud Build Status](https://img.shields.io/docker/cloud/build/bkimminich/juice-shop.svg)](https://cloud.docker.com/repository/docker/bkimminich/juice-shop/builds)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/f6959582d3acc8bc2607/test_coverage)](https://codeclimate.com/github/bkimminich/juice-shop/test_coverage)
 [![Maintainability](https://api.codeclimate.com/v1/badges/f6959582d3acc8bc2607/maintainability)](https://codeclimate.com/github/bkimminich/juice-shop/maintainability)
 [![Code Climate technical debt](https://img.shields.io/codeclimate/tech-debt/bkimminich/juice-shop)](https://codeclimate.com/github/bkimminich/juice-shop/trends/technical_debt)