This change sets removes support `auto_apply` and `auto_destroy` inputs
across the templates.
With the introduction of the `rules` inputs, an auto apply or auto
destroy behavior can easily implemented using it directly.

We can't easily keep the `auto_apply` and `auto_destroy` inputs because
having input references in input default values is not yet supported.
See https://gitlab.com/gitlab-org/gitlab/-/issues/438722.

I've left the input definitions commented out for now with the
possibility to easily bring it back if the issue is resolved.

Closes https://gitlab.com/components/opentofu/-/issues/80

Changelog: removed

Changelog: changed

Changelog: removed

Changelog: added

This add support for `plan` input variable and passes it down to the
relevant, inner templates.

Changelog: added

We cannot use it because of
https://gitlab.com/gitlab-org/gitlab/-/issues/477707

Refs https://gitlab.com/components/opentofu/-/issues/34

Changelog: feature

Closes https://gitlab.com/components/opentofu/-/issues/23

git grep -l '\s\+$' | xargs sed -e 's/\s\+$//' -i

Closes #8