drop supports_ methods

[kbrock]

part of:

• [ ] https://github.com/ManageIQ/manageiq/pull/22883

Goal is to remove exposed methods that no longer exist. Defining them where possible to keep backwards compatibility

• drop v2v vm_import (no longer a thing)
• backwards support for supports_resize

[miq-bot]

Checked commits https://github.com/kbrock/manageiq-automation_engine/compare/17871e60d26ecc12972bac15e21dcaeb6c9197b6~...934cc2be9e06d524cb5c16997f87d8051b842510 with ruby 2.7.8, rubocop 1.56.3, haml-lint 0.51.0, and yamllint 5 files checked, 0 offenses detected Everything looks fine. :trophy: