Aggregate cleanup changes from PRs #2866, #2867, and #2874

[rakita]

Summary

• Aggregates three small cleanup PRs into a single PR
• Combines changes from fix: correct internal function reference in calc_excess_blob_gas comment #2866, Remove debug macro from test code #2867, and refactor: use HashMap::is_empty() instead of len() == 0 #2874

Changes included

From PR #2866

• Fix comment reference from calc_excess_blob_gas to calc_excess_blob_gas_osaka in blob.rs

From PR #2867

• Remove debug macro (dbg\!(&r)) from test code in inspector lib.rs

From PR #2874

• Replace self.inner.len() == 0 with idiomatic self.inner.is_empty() in precompile lib.rs

Test plan

• All existing tests pass
• Changes are purely cosmetic/cleanup

🤖 Generated with Claude Code

[codspeed-hq]

CodSpeed Performance Report

Merging #2876 will degrade performances by 3.01%

_{Comparing aggregate-prs-2867-2874 (a791066) with main (f3c794b)}

Summary

❌ 1 regressions
✅ 170 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	ecrecover precompile	198.4 µs	204.6 µs	-3.01%