br: remove evict slow store scheduler (#50776)

[ti-chi-bot]

This is an automated cherry-pick of #50776

What problem does this PR solve?

Issue Number: close #50566

Problem Summary:
one tikv has no leader and slow down br restore spee

What changed and how does it work?

remove evict-slow-store-scheduler when restore

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 3pointer, Leavrth

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• OWNERS [3pointer,Leavrth]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-06-07 08:03:17.488478523 +0000 UTC m=+106151.541790447: ☑️ agreed by 3pointer.
• 2024-06-07 08:03:37.46109888 +0000 UTC m=+106171.514410804: ☑️ agreed by Leavrth.

[Leavrth]

/retest

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-6.5@69d56df). Learn more about missing BASE report.

Additional details and impacted files

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