Removes `DataOwned` bound on `remove_index` (#1511) #472

Job	Run time
clippy/stable	22s
Pass MSRV values to other jobs	3s
format/nightly	14s
nostd/thumbv6m-none-eabi/stable	19s
miri	8m 27s
cargo-careful	2m 17s
cross_test/s390x-unknown-linux-gnu/stable	6m 56s
cross_test/i686-unknown-linux-gnu/stable	1m 32s
docs/nightly	21s
blas-msrv	50s
tests/stable	2m 36s
tests/1.64.0	3m 55s
tests/nightly	3m 17s
tests/beta	2m 36s
conclusion	2s
	33m 47s

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