Revert "Hide auto-generated files in code reviews and format Dockerfile templates"

[nschonni]

Reverts nodejs/docker-node#2062

This means we need to click the "load diff" everywhere in the UI including the Commit view to see the actual changes. These files may be auto-generated in some cases, but we we need to verify the changes visually to ensure there are no intentional or unintentional malicious changes.