Clean up doc comments on `LanguageModelTool` trait (#11217)

This PR cleans up the doc comments on the `LanguageModelTool` trait to
follow Rust documentation conventions.

Release Notes:

- N/A
713c314d67Marshall Bowers committed on 4/30/2024, 4:32:59 PM· committed by GitHubparente3de440
1 file changedLine totals unavailable