*: remove the Local TSO test cases

[JmPotato]

What problem does this PR solve?

Issue Number: ref #8802.

What is changed and how does it work?

Remove the Local TSO test cases.

Check List

Tests

• Unit test
• Integration test

Release note

None.

[codecov[bot]]

Codecov Report

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

Project coverage is 75.16%. Comparing base (2f9bf48) to head (878ac0f). Report is 2 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #8810 +/- ## ========================================== - Coverage 75.33% 75.16% -0.17% ========================================== Files 459 459 Lines 71843 71843 ========================================== - Hits 54123 54001 -122 - Misses 14285 14382 +97 - Partials 3435 3460 +25 ``` | [Flag](https://app.codecov.io/gh/tikv/pd/pull/8810/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/8810/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=tikv) | `75.16% <ø> (-0.17%)` | :arrow_down: | 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.

The pull request process is described here

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:

• 2024-11-14 06:05:28.47341533 +0000 UTC m=+509090.664284327: :ballot_box_with_check: agreed by rleungx.
• 2024-11-14 06:35:25.28930319 +0000 UTC m=+510887.480172184: :ballot_box_with_check: agreed by okJiang.

[JmPotato]

/hold