hybrid-array: remove `Array::ref_*` prefixes (#1037) #1613

Job	Run time
build (1.65.0, thumbv7em-none-eabi)	1m 49s
build (1.65.0, wasm32-unknown-unknown)	1m 58s
test (1.65.0)	1m 50s
build (stable, thumbv7em-none-eabi)	11s
build (stable, wasm32-unknown-unknown)	21s
test (stable)	10s
minimal-versions / minimal-versions	22s
	6m 41s

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