cluster: do not need to check TiFlash http_port

[Lloyd-Pottiger]

What problem does this PR solve?

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release notes:

NONE

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Once this PR has been reviewed and has the lgtm label, please assign bb7133 for approval. For more information see the Code Review Process.

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

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

[Lloyd-Pottiger]

/cc @breezewish @JaySon-Huang

[ti-chi-bot[bot]]

@Lloyd-Pottiger: GitHub didn't allow me to request PR reviews from the following users: JaySon-Huang.

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

In response to [this](https://github.com/pingcap/tiup/pull/2440#issuecomment-2238384514): >/cc @breezewish @JaySon-Huang Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-07-19 07:24:55.591226202 +0000 UTC m=+597917.582167672: :ballot_box_with_check: agreed by breezewish.

[ti-chi-bot[bot]]

@JaySon-Huang: adding LGTM is restricted to approvers and reviewers in OWNERS files.

In response to [this](https://github.com/pingcap/tiup/pull/2440#pullrequestreview-2187554595): > Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[Lloyd-Pottiger]

/assign @xhebox