hybrid-array: remove `ByteArray` alias #1543

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 22s
test (1.65.0)	1m 25s
build (1.65.0, wasm32-unknown-unknown)	1m 19s
test (stable)	19s
build (stable, thumbv7em-none-eabi)	20s
build (stable, wasm32-unknown-unknown)	18s
	5m 3s

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