Enable cleanup in e2e

[noobwei]

What type of PR is this?

/kind enhancement

What this PR does / why we need it:

Enable cleanup in E2E, include cleanup the kind cluster or docker registry or both

Which issue(s) this PR fixes:
Fixes #522

Special notes for your reviewer:

The previous PR was closed because of a bad git action.

Does this PR introduce a user-facing change?:

[hzxuzhonghu]

Weird TestPodSidecarLabelChangeTriggersAddIptablesAction still flake @Okabe-Rintarou-0

[hzxuzhonghu]

/lgtm

[kmesh-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hzxuzhonghu

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [hzxuzhonghu]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 48.91%. Comparing base (4a7807b) to head (4f55115).
Report is 20 commits behind head on main.

see 4 files with indirect coverage changes

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