doc: Fix Storage Class translation mistakes

[Hanmo123]

What type of PR is this?

/kind bug

What this PR does / why we need it:

This PR fix the translation mistakes when deleting a storage class.

Which issue(s) this PR fixes:

Fixes #4185

Does this PR introduced a user-facing change?

yes

fix some translation mistakes.

[ks-ci-bot]

Hi @Hanmo123. Thanks for your PR.

I'm waiting for a kubesphere 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.

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[Hanmo123]

/assign @zheng1

[harrisonliu5]

/lgtm
/approve

[ks-ci-bot]

LGTM label has been added.

Git tree hash: 397cf468023528e051f4efc36e3b5d4f9919b46e

[ks-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Hanmo123, harrisonliu5

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[harrisonliu5]

Thanks for your contribution.

[harrisonliu5]

/ok-to-test