feat(es/minifier): Remove needless blocks

[kdy1]

Description:

I postponed this while working on dead_branch_remover removal PR.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 51047ce

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[codspeed-hq]

CodSpeed Performance Report

Merging #10234 will improve performances by 2.75%

_{Comparing kdy1/block (51047ce) with main (6841523)}

Summary

⚡ 3 improvements
✅ 149 untouched benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	serialization of serde	2.8 µs	2.8 µs	+1.06%
⚡	es/lints/libs/terser	30.3 ms	29.4 ms	+2.75%
⚡	es/minifier/libs/react	24.3 ms	24.1 ms	+1.12%