br: Delete repeated code

[joccau]

What problem does this PR solve?

Remove duplicate code

Check List

Tests

• Unit test
• Integration test

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• YuJuncen
• glorv

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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[joccau]

/sig migrate

[joccau]

/component br

[joccau]

/cc @3pointer @YuJuncen @glorv

[ti-chi-bot]

@joccau: GitHub didn't allow me to request PR reviews from the following users: YuJuncen.

Note that only pingcap members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

/cc @3pointer @YuJuncen @glorv

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[joccau]

/build

[joccau]

/run-integration-tests

[glorv]

/run-all-tests

[joccau]

/run-all-tests

[joccau]

/run-integration-tests

[kennytm]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: c2c805c

[joccau]

/run-all-tests

[kennytm]

/run-unit-test
/run-check_dev_2

[ti-chi-bot]

@joccau: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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 ti-community-infra/tichi repository.