fix: registry cmd remove legacy files

[lixd]

What type of PR is this?

/kind bug

What this PR does / why we need it:

update registry cmd to remove legacy files when clean registry.

Which issue(s) this PR fixes:

Fixes #157

Special notes for reviewers:

1. remote legacy files when registry clean cmd.
2. don't remove `/var/run/docker.sock` when user don't specify  --remove-docker flag.

Does this PR introduced a user-facing change?

None

Additional documentation, usage docs, etc.:

[x893675]

/lgtm
/approve

[kubeclipper-bot]

LGTM label has been added.

Git tree hash: b64c2872346ea0708360bd68ec42e7d741b7e432

[kubeclipper-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lixd, x893675

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• pkg/cli/OWNERS [x893675]

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[x893675]

/cherrypick release-1.1

[kubeclipper-bot]

@x893675: once the present PR merges, I will cherry-pick it on top of release-1.1 in a new PR and assign it to you.

In response to this:

/cherrypick release-1.1

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.

[kubeclipper-bot]

@x893675: new pull request created: #164

In response to this:

/cherrypick release-1.1

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.