fix: kcctl clean kc env file

[qinyer]

Signed-off-by: qinyer qy913726062@gmail.com

What type of PR is this?

/kind bug

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #172

Special notes for reviewers:

Does this PR introduced a user-facing change?

Additional documentation, usage docs, etc.:

[kubeclipper-bot]

@qinyer: Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

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[codecov-commenter]

Codecov Report

Merging #242 (6874af0) into master (c3f5698) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master     #242   +/-   ##
=======================================
  Coverage   13.12%   13.12%           
=======================================
  Files          98       98           
  Lines       15340    15340           
=======================================
  Hits         2014     2014           
  Misses      13087    13087           
  Partials      239      239           

Impacted Files	Coverage Δ
pkg/cli/registry/registry.go	0.00% <0.00%> (ø)

[x893675]

/lgtm
/approve

[kubeclipper-bot]

LGTM label has been added.

Git tree hash: 9cc213b88fa4e94d80b1d58552d2229c3bed4066

[kubeclipper-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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