cleanup: fix golint errors

[Zhupku]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

[k8s-ci-robot]

Hi @Zhupku. Thanks for your PR.

I'm waiting for a kubernetes-sigs 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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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-sigs/prow repository.

[andyzhangx]

/ok-to-test

[andyzhangx]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, Zhupku

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[andyzhangx]

/cherrypick release-1.30

[andyzhangx]

/cherrypick release-1.29

[andyzhangx]

/cherrypick release-1.24

[andyzhangx]

/cherrypick release-1.23

[k8s-infra-cherrypick-robot]

@andyzhangx: cannot checkout release-1.30: error checking out "release-1.30": exit status 1 error: pathspec 'release-1.30' did not match any file(s) known to git

In response to this:

/cherrypick release-1.30

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-sigs/prow repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: cannot checkout release-1.29: error checking out "release-1.29": exit status 1 error: pathspec 'release-1.29' did not match any file(s) known to git

In response to this:

/cherrypick release-1.29

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-sigs/prow repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request created: #1574

In response to this:

/cherrypick release-1.24

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-sigs/prow repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: #1570 failed to apply on top of branch "release-1.23":

Applying: cleanup: fix golint errors
Using index info to reconstruct a base tree...
M	.github/workflows/static.yaml
M	pkg/blob/blob.go
M	pkg/blob/controllerserver.go
M	pkg/blob/controllerserver_test.go
M	pkg/blob/nodeserver.go
M	test/e2e/dynamic_provisioning_test.go
M	test/e2e/suite_test.go
Falling back to patching base and 3-way merge...
Auto-merging test/e2e/suite_test.go
CONFLICT (content): Merge conflict in test/e2e/suite_test.go
Auto-merging test/e2e/dynamic_provisioning_test.go
Auto-merging pkg/blob/nodeserver.go
Auto-merging pkg/blob/controllerserver_test.go
CONFLICT (content): Merge conflict in pkg/blob/controllerserver_test.go
Auto-merging pkg/blob/controllerserver.go
CONFLICT (content): Merge conflict in pkg/blob/controllerserver.go
Auto-merging pkg/blob/blob.go
CONFLICT (content): Merge conflict in pkg/blob/blob.go
Auto-merging .github/workflows/static.yaml
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 cleanup: fix golint errors
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick release-1.23

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-sigs/prow repository.