Revert "update README"

This reverts commit c5f0b2b1
1 job for revert-c5f0b2b1 in 2 minutes and 33 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #22645
build
build

00:02:33

 
Name Stage Failure
failed
build Build There is an unknown failure, please try again
Setting up xauth (1:1.0.9-1+b2) ...
Processing triggers for libc-bin (2.24-11+deb9u1) ...
Processing triggers for systemd (232-25+deb9u1) ...
$ /etc/init.d/docker start
Starting Docker: docker.
$ docker run -d -p 5432:5432 -it -e POSTGRES_USER=agendador -e POSTGRES_PASSWORD=123mudar --rm --name postgres postgres:9.6
docker: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?.
See 'docker run --help'.
ERROR: Job failed: exit code 1