der

pkcs7: remove crate sources #2588

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	3m 5s
derive (1.65.0)	1m 41s
build (1.65.0, wasm32-unknown-unknown)	2m 54s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.65.0, sudo apt update && sudo apt install gcc-mult...	13m 20s
build (stable, thumbv7em-none-eabi)	1m 26s
derive (stable)	20s
test (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mult...	10m 23s
build (stable, wasm32-unknown-unknown)	1m 16s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.65.0)	13m 18s
test (x86_64-unknown-linux-gnu, ubuntu-latest, stable)	9m 49s
minimal-versions / minimal-versions	8m 0s
	1h 5m 32s

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