Remove GitAds (shutdown) [ci skip]

Author: elgalu

README.md

@@ -2,8 +2,6 @@
 
 # Selenium in Docker with Chrome and Firefox
 
-This project is [sponsored by GitAds](https://tracking.gitads.io/?repo=docker-selenium)
-
 [![Build Status](https://travis-ci.org/elgalu/docker-selenium.svg?branch=master)](https://travis-ci.org/elgalu/docker-selenium "Travis CI")
 [![Docker Pulls](https://img.shields.io/docker/pulls/elgalu/selenium.svg)](https://hub.docker.com/r/elgalu/selenium/tags/)
 [![Docker](https://images.microbadger.com/badges/version/elgalu/selenium.svg)](https://microbadger.com/images/elgalu/selenium "Docker Badge")