Refactor Terraform scripts to support other providers

[electrocucaracha]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind bug

/kind cleanup

/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:
The current Terraform implementation was not using all the default variables defined as well as it was missing the formatting. This change provides a different layout to allow the addition of more providers in the future. It also fixes the periodic prow job.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[electrocucaracha]

@radoslawc it seems like prow is not detecting the changes on e2e folder? I'm wondering if we broke something

[nephio-prow]

@electrocucaracha: The label(s) kind/cleanup cannot be applied, because the repository doesn't have them.

In response to this:

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind bug

/kind cleanup

/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:
The current Terraform implementation was not using all the default variables defined as well as it was missing the formatting. This change provides a different layout to allow the addition of more providers in the future. It also fixes the periodic prow job.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[electrocucaracha]

/test e2e-fedora-34

[electrocucaracha]

/retest

[vjayaramrh]

/lgtm

[nephio-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: electrocucaracha, vjayaramrh

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [electrocucaracha,vjayaramrh]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment