Remove unused parameter from completion docstring

[almazafa]

📝 Summary

The Args: section of complete() in marimo/_runtime/complete.py documents a prefer_interpreter_completion parameter that is not in the function signature and is not referenced anywhere else in the repository (grep -rn prefer_interpreter returns only that docstring line). This removes the stale line so the docstring matches the signature.

Docstring only, one line removed, no behaviour change.

🔍 Description of Changes

• marimo/_runtime/complete.py: drop the prefer_interpreter_completion entry from the complete() docstring.

✅ Verification

• ruff check marimo/_runtime/complete.py and ruff format --check marimo/_runtime/complete.py pass with ruff 0.16.8 (the version pinned in pyproject.toml).
• Confirmed the parameter does not exist in the signature of complete() or in CodeCompletionCommand.

📋 Pre-Review Checklist

• Not a large or public-API change (docstring only), so no prior discussion needed.
• Any AI generated code has been reviewed line-by-line by the human PR author, who stands by it.

✅ Merge Checklist

• I have read the contributor guidelines.
• Documentation has been updated where applicable (this PR is the docstring fix).
• Tests: not applicable, no code behaviour changed.

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Project	Deployment	Actions	Updated
marimo-docs	Ready	Preview	Sep 18, 2026 8:10am UTC

[github-actions]

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[almazafa]

I have read the CLA Document and I hereby sign the CLA

[almazafa]

I have read the CLA Document and I hereby sign the CLA

[almazafa]

I have read the CLA Document and I hereby sign the CLA

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