der

Revert "const-oid: add `ObjectIdentifierRef`; use for `db` (#1212)" (… #2608

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	2m 57s
build (1.65.0, wasm32-unknown-unknown)	2m 58s
build (stable, thumbv7em-none-eabi)	1m 20s
build (stable, wasm32-unknown-unknown)	1m 17s
derive (1.65.0)	1m 40s
derive (stable)	19s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.65.0, sudo apt update && sudo apt install gcc-mult...	13m 7s
test (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mult...	9m 57s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.65.0)	13m 16s
test (x86_64-unknown-linux-gnu, ubuntu-latest, stable)	9m 42s
	56m 33s

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