refactor(state): remove unnecessary core::hash::Hash import from lib.rs

[Galoretka]

Removed unused use core::hash::Hash; from crates/state/src/lib.rs.
#[derive(Hash)] does not require an explicit import, so this cleans up an unnecessary dependency.

[codspeed-hq]

CodSpeed Performance Report

Merging #2959 will not alter performance

_{Comparing Galoretka:main (866bd1e) with main (c3d2689)}

Summary

✅ 173 untouched benchmarks