chore: remove outdated comment #2068

Job	Run time
test stable --no-default-features	1m 52s
test stable	2m 0s
doctest	1m 47s
test stable --all-features	2m 27s
test nightly --no-default-features	2m 48s
feature-checks	3m 0s
test nightly	2m 58s
no-std	12s
test nightly --all-features	3m 7s
test 1.76 --no-default-features	1m 13s
test 1.76	1m 20s
wasm-unknown	37s
wasm-wasi	58s
cfg-check	1m 18s
clippy	46s
docs	1m 57s
fmt	12s
	28m 32s

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