[FEATURE REQUEST] Refactoring and removal of old code from Ansible inventory creator and upgrade

[erzetpe]

Is your feature request related to a problem? Please describe.
Right now we have the code that should be refactored from Ansible inventory creator and upgrade and some parts needs to be removed.

Describe the solution you'd like
We want to refactor and clean up the code from Ansible inventory creator and upgrade.

Describe alternatives you've considered
None.

Additional context
Code from the part BUILD_LEGACY upgrade should be removed.

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DoD checklist

• Changelog updated
• COMPONENTS.md updated / doesn't need to be updated
• Schema updated / doesn't need to be updated
• Feature has automated tests
• Automated tests passed (QA pipelines)
  • apply
  • upgrade
• Idempotency tested
• Documentation added / updated / doesn't need to be updated
• All conversations in PR resolved
• Solution meets requirements and is done according to design doc
• Usage compliant with license
• Backport tasks created / doesn't need to be backported

[seriva]

@przemyslavic When testing this pls also run one upgrade. Not only for this but also #2643 and #2666.

[przemyslavic]

The following epicli commands have been tested:
✔️ init (--full)
✔️apply + re-apply
✔️backup
✔️recovery
✔️prepare
✔️test
✔️upgrade from v1.1 to dev
✔️delete