Refactor data-loading for LCBench surrogate benchmark problem

[ltiao]

This diff improves the LCBench data-loading and benchmark problem setup. Key changes include:

• Introducing an alternative constructor option for LearningCurveBenchmarkTestFunction in get_lcbench_early_stopping_benchmark_problem
• Making data retrieval in LearningCurveBenchmarkTestFunction more flexible with the override-able method _load_lcbench_data
• Simplifying the benchmark problem by removing unused options (observe_noise_sd, noise_std, seed)
• Updating naming conventions for LCBench benchmark problems
• Various minor improvements, including type annotations and refactoring of repetitive code

Differential Revision: D72862531

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This pull request was exported from Phabricator. Differential Revision: D72862531

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This pull request was exported from Phabricator. Differential Revision: D72862531

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This pull request was exported from Phabricator. Differential Revision: D72862531

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Codecov Report

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

Project coverage is 96.03%. Comparing base (da222b1) to head (19790da).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3634   +/-   ##
=======================================
  Coverage   96.03%   96.03%           
=======================================
  Files         564      564           
  Lines       56305    56300    -5     
=======================================
- Hits        54074    54070    -4     
+ Misses       2231     2230    -1     

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This pull request was exported from Phabricator. Differential Revision: D72862531

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This pull request was exported from Phabricator. Differential Revision: D72862531

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This pull request was exported from Phabricator. Differential Revision: D72862531

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This pull request was exported from Phabricator. Differential Revision: D72862531

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This pull request was exported from Phabricator. Differential Revision: D72862531

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D72862531

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D72862531

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D72862531

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D72862531

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D72862531

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D72862531

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This pull request was exported from Phabricator. Differential Revision: D72862531

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This pull request was exported from Phabricator. Differential Revision: D72862531

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This pull request has been merged in facebook/Ax@1822b916f4f661f9be411bf6d3e2ce4a6eb0bbb8.