sqlez: Remove stray println in Statement::single (#63151)

# Objective

- Clean up a stray debug `println!("{:?}", std::any::type_name::<R>());`
statement in `Statement::single` that was left in production code.
- Prevent unintended output to standard output whenever single-row
database queries are executed.

## Solution

- Removed the `println!` call from `crates/sqlez/src/statement.rs`
inside `Statement::single`.

## Testing

- Existing unit and integration tests in `crates/sqlez` cover
`Statement::single` query execution.

## Self-Review Checklist:

- [x] I've reviewed my own diff for quality, security, and reliability
- [x] Unsafe blocks (if any) have justifying comments
- [x] The content adheres to Zed's UI standards
([UX/UI](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-
checklist) and
[icon](https://github.com/zed-industries/zed/blob/main/crates/icons/README.md)
guidelines)
- [x] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

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Release Notes:

- N/A
0b1bf8dc62Nanasi committed on 8/24/2026, 8:13:37 PM· committed by GitHubparenteb96feb
1 file changedLine totals unavailable