Remove redundant instructions

[glkappe]

peer-stale-state-check-interval or rafrstore.peer-stale-state-check-interval ？

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[ti-chi-bot]

[REVIEW NOTIFICATION]

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• TomShawn

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[TomShawn]

/merge

[ti-chi-bot]

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

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Commit hash: f869f32

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6905.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6906.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #6907.