Revert "const-oid: add `ObjectIdentifierRef`; use for `db` (#1212)" #823

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 46s
build (1.65.0, wasm32-unknown-unknown)	1m 50s
build (stable, thumbv7em-none-eabi)	28s
build (stable, wasm32-unknown-unknown)	26s
test (1.65.0)	1m 50s
test (stable)	36s
minimal-versions / minimal-versions	42s
	7m 38s

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