Remove stray documentation #2883

Job	Run time
check-docs	22s
alternative_targets (ubuntu-latest, wasm32-unknown-emscripten)	19s
cross-targets (x86_64-sun-solaris)	1m 11s
alternative_targets (ubuntu-latest, aarch64-apple-ios)	11s
cross-tests (ubuntu-latest)	1m 51s
alternative_targets (ubuntu-latest, aarch64-linux-android)	8s
features_check (ubuntu-latest)	5m 23s
no_std (ubuntu-latest, thumbv6m-none-eabi)	23s
features_check (macos-latest)	11m 37s
rust_msrv (ubuntu-latest)	1m 26s
no_std (ubuntu-latest, x86_64-fortanix-unknown-sgx)	11s
rust_versions (ubuntu-latest, stable)	1m 4s
features_check (windows-latest)	10m 9s
rust_versions (ubuntu-latest, beta)	1m 10s
test_wasi (ubuntu-latest, wasm32-wasi)	23s
rust_versions (ubuntu-latest, nightly)	1m 21s
test_wasm (ubuntu-latest)	18s
timezones (ubuntu-latest, ACST-9:30)	1m 23s
timezones (ubuntu-latest, EST4)	1m 20s
timezones (ubuntu-latest, UTC0)	1m 19s
timezones (ubuntu-latest, Asia/Katmandu)	1m 17s
timezones (macos-latest, ACST-9:30)	1m 7s
timezones (macos-latest, EST4)	1m 7s
timezones (macos-latest, UTC0)	48s
timezones (macos-latest, Asia/Katmandu)	1m 56s
timezones (windows-latest, ACST-9:30)	1m 58s
timezones (windows-latest, EST4)	2m 18s
timezones (windows-latest, UTC0)	2m 26s
timezones (windows-latest, Asia/Katmandu)	2m 0s
	56m 26s

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