*: remove store limit scene code

[lhy1024]

What problem does this PR solve?

Issue Number: Close https://github.com/tikv/pd/issues/8818

What is changed and how does it work?

Check List

Tests

• Unit test

Release note

None.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 75.29%. Comparing base (40ae26c) to head (57051d2). Report is 4 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #8819 +/- ## ========================================== + Coverage 75.21% 75.29% +0.07% ========================================== Files 459 456 -3 Lines 71843 71608 -235 ========================================== - Hits 54035 53915 -120 + Misses 14351 14266 -85 + Partials 3457 3427 -30 ``` | [Flag](https://app.codecov.io/gh/tikv/pd/pull/8819/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tikv) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/tikv/pd/pull/8819/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tikv) | `75.29% <ø> (+0.07%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tikv#carryforward-flags-in-the-pull-request-comment) to find out more.

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: okJiang, rleungx

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/tikv/pd/blob/master/OWNERS)~~ [rleungx] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-11-18 06:22:31.479221704 +0000 UTC m=+855713.670090693: :ballot_box_with_check: agreed by okJiang.
• 2024-11-18 07:49:03.606700744 +0000 UTC m=+860905.797569734: :ballot_box_with_check: agreed by rleungx.

[rleungx]

/hold

[rleungx]

/hold cancel