der: remove `SequenceOf` and `SetOf` (#2220) #3511

Job	Run time
build (stable, thumbv7em-none-eabi)	19s
test (1.85.0)	48s
test (stable)	38s
build (1.85.0, wasm32-unknown-unknown)	18s
build (stable, wasm32-unknown-unknown)	19s
minimal-versions / minimal-versions	35s
build (1.85.0, thumbv7em-none-eabi)	17s
	3m 14s

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