extended docker engine uninstall instructions

added instructions to remove other docker related resources when uninstalling engine from linux systems:
    ```bash
    $ sudo rm -rf /run/docker
    $ sudo rm -rf /var/run/docker
    $ sudo rm -rf /etc/docker
    ```
This commit is contained in:
Ivan Sharamok 2018-06-29 17:39:58 -07:00 committed by GitHub
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@ -284,7 +284,14 @@ To manually install Docker EE, download the `.{{ package-format | downcase }}` f
$ sudo rm -rf /var/lib/docker $ sudo rm -rf /var/lib/docker
``` ```
3. If desired, remove the `devicemapper` thin pool and reformat the block 3. Delete other docker related resources:
```bash
$ sudo rm -rf /run/docker
$ sudo rm -rf /var/run/docker
$ sudo rm -rf /etc/docker
```
4. If desired, remove the `devicemapper` thin pool and reformat the block
devices that were part of it. devices that were part of it.
You must delete any edited configuration files manually. You must delete any edited configuration files manually.