[AMORO-2731]: remove unuse import

[zhangmo8]

Why are the changes needed?

Close #2731, remove unused import

Brief change log

How was this patch tested?

• [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

• [ ] Add screenshots for manual tests if appropriate

• [ ] Run test locally before making a pull request

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)

[zhangmo8]

#2731

[zhoujinsong]

You can add some content like Close #2731 in the PR's describtion to link this PR to its related issue. I have added it for you this time.

[zhoujinsong]

Can you help to review it? @minteliuwm