*: remove api mode concept

[rleungx]

What problem does this PR solve?

Issue Number: ref #8477

What is changed and how does it work?

Check List

Tests

• Unit test

Release note

None.

[codecov]

Codecov Report

Attention: Patch coverage is 81.63265% with 9 lines in your changes missing coverage. Please review.

Project coverage is 76.28%. Comparing base (4d8009d) to head (1541b55).
Report is 8 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #8952   +/-   ##
=======================================
  Coverage   76.28%   76.28%           
=======================================
  Files         463      465    +2     
  Lines       70474    70537   +63     
=======================================
+ Hits        53760    53810   +50     
- Misses      13368    13372    +4     
- Partials     3346     3355    +9     

Flag	Coverage Δ
unittests	76.28% <81.63%> (+<0.01%)	⬆️

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: okJiang
Once this PR has been reviewed and has the lgtm label, please ask for approval from rleungx and additionally assign benmeadowcroft for approval(Please ensuring that each of them provides their approval before proceeding). For more information see the Code Review Process.

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-31 08:59:15.259886632 +0000 UTC m=+427290.615891172: ☑️ agreed by okJiang.

[rleungx]

/retest

[ti-chi-bot]

@rleungx: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-integration-realcluster-test	1541b55	link	true	/test pull-integration-realcluster-test

Full PR test history. Your PR dashboard.

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