Chore: fix `lll` and `unparam` linters

[fgksgf]

What problem does this PR solve?

What is changed and how does it work?

Code changes

• [x] Has Go code change
• [ ] Has CI related scripts change

Tests

• [ ] Unit test
• [ ] E2E test
• [ ] Manual test
• [ ] No code

Side effects

• [ ] Breaking backward compatibility
• [ ] Other side effects:

Related changes

• [ ] Need to cherry-pick to the release branch
• [ ] Need to update the documentation

Release Notes

Please refer to Release Notes Language Style Guide before writing the release note.

[github-actions[bot]]

/run-pull-e2e-kind-v2

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 24.75248% with 76 lines in your changes missing coverage. Please review.

Project coverage is 46.06%. Comparing base (d6a4c6f) to head (a6c0b93).

Additional details and impacted files

@@              Coverage Diff               @@
##           feature/v2    #6265      +/-   ##
==============================================
- Coverage       46.12%   46.06%   -0.07%     
==============================================
  Files             304      304              
  Lines           20008    20066      +58     
==============================================
+ Hits             9229     9243      +14     
- Misses          10779    10823      +44     

Flag	Coverage Δ
unittest	46.06% <24.75%> (-0.07%)	:arrow_down:

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[liubog2008]

/lgtm

[github-actions[bot]]

/run-pull-e2e-kind-v2

[ti-chi-bot[bot]]

@fgksgf: Your PR was out of date, I have automatically updated it for you.

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[github-actions[bot]]

/run-pull-e2e-kind-v2

[liubog2008]

/lgtm

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: liubog2008

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[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2025-06-27 06:29:10.196549957 +0000 UTC m=+1030802.919728934: :ballot_box_with_check: agreed by liubog2008.
• 2025-06-27 06:34:39.61569181 +0000 UTC m=+1031132.338870791: :heavy_multiplication_x::repeat: reset by ti-chi-bot[bot].
• 2025-06-27 08:03:00.081249103 +0000 UTC m=+1036432.804428117: :ballot_box_with_check: agreed by liubog2008.