Simplify building the decoder auxiliary columns #4293

Job	Run time
Check Rust stable on ubuntu with --all-targets --no-default-features	38s
Clippy	35s
Check Rust stable on ubuntu with --all-targets	41s
rustfmt	10s
no-std (stable, wasm32-unknown-unknown)	43s
Check Rust stable on ubuntu with --all-targets --all-features	40s
no-std (nightly, wasm32-unknown-unknown)	46s
Check Rust nightly on ubuntu with --all-targets --no-default-features	42s
Test Rust stable on ubuntu with --profile test-release	5m 8s
Check Rust nightly on ubuntu with --all-targets	45s
Test Rust nightly on windows-2022	0s
Test Rust stable on ubuntu with --profile test-release --doc	2m 48s
Check Rust nightly on ubuntu with --all-targets --all-features	50s
Test Rust nightly on ubuntu with --profile test-release	5m 5s
Test Rust nightly on ubuntu with --profile test-release --doc	2m 54s
	22m 25s

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