WIP: remove podman-env

[LJTian]

My understanding is not detailed enough and needs further modification. The current version is not the correct version.

fix: #20828

[k8s-ci-robot]

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[k8s-ci-robot]

Hi @LJTian. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[minikube-bot]

Can one of the admins verify this patch?

[medyagh]

do we not need to do these Tests anymoe ? do we have a dpulicate of these test for docker-env?

[LJTian]

The relevant content will be added in docker-env_test.go.