chore: LLM Evaluators - remove deprecated parameters

[anakin87]

Related Issues

• fixes Remove deprecated api, api_key, and api_params from LLM Evaluator components #9147

Proposed Changes:

• remove the deprecated initialization parameters and simplify the components

How did you test it?

CI; refactored tests.

Checklist

• I have read the contributors guidelines and the code of conduct
• I have updated the related issue with new insights and changes
• I added unit tests and updated the docstrings
• I've used one of the conventional commit types for my PR title: fix:, feat:, build:, chore:, ci:, docs:, style:, refactor:, perf:, test: and added ! in case the PR includes breaking changes.
• I documented my code
• I ran pre-commit hooks and fixed any issue

[coveralls]

Pull Request Test Coverage Report for Build 14404479415

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 6 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.01%) to 90.316%

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Files with Coverage Reduction	New Missed Lines	%
components/evaluators/llm_evaluator.py	6	94.78%

Totals
Change from base Build 14401135068:	-0.01%
Covered Lines:	10660
Relevant Lines:	11803

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💛 - Coveralls

[sjrl]

Looks great!