cast6

aes: remove `zeroize_works` test (#551) #298

Job	Run time
build (stable, thumbv7em-none-eabi)	8s
test (1.85.0)	24s
build (1.85.0, wasm32-unknown-unknown)	17s
test (stable)	14s
minimal-versions / minimal-versions	23s
build (1.85.0, thumbv7em-none-eabi)	19s
build (stable, wasm32-unknown-unknown)	31s
	2m 16s

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