Revert "Update README.md"

This reverts commit bef767ebd8.

README.md

@@ -15,7 +15,7 @@ also be specified. By default, the script deploys everything.
 
 Here is a summary of the options that can be used with the script:
 
-```shell
+```console
 $ ./deploy.sh                          # deploy everything
 $ ./deploy.sh base                     # deploy the ubuntu_base role only
 $ ./deploy.sh services                 # deploy the docker role only
@@ -42,7 +42,7 @@ this to work properly.
 Here is a summary of the commands that are available with the `vagrant`
 command-line tool:
 
-```shell
+```console
 $ vagrant up         # Create and provision the VM
 $ vagrant provision  # Re-provision the VM
 $ vagrant ssh        # SSH into the VM
@@ -55,7 +55,7 @@ variables to Ansible on runtime, so to be able to deploy only parts of
 the Ansible playbook to Vagrant, the `deploy.sh` script can be used with
 the `--vagrant` flag. Here are some examples:
 
-```shell
+```console
 $ ./deploy.sh --vagrant base                     # deploy the ubuntu_base role only in the Vagrant VM
 $ ./deploy.sh --vagrant services SINGLE_SERVICE  # deploy SINGLE_SERVICE Docker service only in the Vagrant VM
 ```
@@ -67,3 +67,4 @@ the script.
 
 - [J2Live](https://j2live.ttl255.com/): A live Jinja2 parser, nice to
   test out filters
+