Remove code climate badges
[![Docker Repository on Quay](https://quay.io/repository/prometheus/prometheus/status)][quay]
[![Docker Pulls](https://img.shields.io/docker/pulls/prom/prometheus.svg?maxAge=604800)][hub]
[![Go Report Card](https://goreportcard.com/badge/github.com/prometheus/prometheus)](https://goreportcard.com/report/github.com/prometheus/prometheus)
-[![Code Climate](https://codeclimate.com/github/prometheus/prometheus/badges/gpa.svg)](https://codeclimate.com/github/prometheus/prometheus)
-[![Issue Count](https://codeclimate.com/github/prometheus/prometheus/badges/issue_count.svg)](https://codeclimate.com/github/prometheus/prometheus)
Visit [prometheus.io](https://prometheus.io) for the full documentation,
examples and guides.
