hybrid-array: remove `ByteArray` alias #1024

Job	Run time
build-only	21s
cross (aarch64-unknown-linux-gnu, stable)	1m 13s
linux (i686-unknown-linux-gnu, 1.40.0, sudo apt update && sudo apt install gcc-multilib)	1m 43s
macos (stable)	30s
linux (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	45s
linux (x86_64-unknown-linux-gnu, 1.40.0)	1m 18s
linux (x86_64-unknown-linux-gnu, stable)	12s
windows (x86_64-pc-windows-gnu, stable)	44s
minimal-versions / minimal-versions	32s
	7m 18s

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