Docs feedback: Fix Orphaned Links on "Autoscaling GitLab Runner on AWS EC2" instructions

Problem to solve

All of the links on this page that refer to the Docker Documentation are out of date and should be replaced. However, it is unclear at this time whether we have this documentation available. See the next section.

Further details

Docker has discontinued Docker Machine, so GitLab maintains our own fork of it for usage in Runner Autoscaling. Docker has also deprecated the documentation for Docker Machine, so all of the links on this page to their documentation redirect to the documentation's home page.

Proposal

As I mentioned above, I don't know whether we have a copy/fork of this documentation that we maintain somewhere. As such, I can't submit an MR to repair the links.

The repo for our fork of Docker Machine has a link labeled documentation but this only takes the user to installation instructions.

Who can address the issue

Other links/references

For context, I ran into a possible bug with Docker Machine while working with a customer (Zendesk ticket, internal) and I am not able to gather more information about the feature since the documentation links are broken.