refactor(stats): simplify locale prefix stripping #127

Job	Run time
compute-hash (x86_64-linux, blacksmith-4vcpu-ubuntu-2404)	16h 35m 3s
compute-hash (x86_64-darwin, macos-15-intel)	12m 40s
compute-hash (aarch64-linux, blacksmith-4vcpu-ubuntu-2404-arm)	16h 35m 3s
compute-hash (aarch64-darwin, macos-latest)	8m 50s
update-hashes	1s
	1d 9h 31m 37s

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