Removed if clause for platform_versions.tf from script

[dms1981]

A reference to the issue / Description of it

#8272

How does this PR fix the problem?

Because we no longer reference platform_versions.tf in our templates we no longer need to skip copying it.

How has this been tested?

Ran script locally to confirm function

Deployment Plan / Instructions

Deploy through CI

Checklist (check x in [ ] of list items)

• I have performed a self-review of my own code
• All checks have passed
• I have made corresponding changes to the documentation
• Plan and discussed how it should be deployed to PROD (If needed)

Additional comments (if any)

{Please write here}

[github-actions]

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CTFLint Scan Success

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Setting default tflint config...
Running tflint --init...
Installing "terraform" plugin...
Installed "terraform" (source: github.com/terraform-linters/tflint-ruleset-terraform, version: 0.9.1)
tflint will check the following folders:

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Trivy will check the following folders: