Removes outdated note in documentation. #15474

Job	Run time
build-sway-examples	6m 45s
build-sway-lib-core	1m 32s
build-sway-lib-std	1m 35s
build-mdbook	28m 15s
build-reference-examples	6m 39s
forc-fmt-check-sway-examples	1m 23s
build-forc-doc-sway-lib-std	3m 30s
build-forc-test-project	16m 50s
cargo-build-workspace	17m 2s
cargo-clippy	1m 28s
cargo-toml-fmt-check	17s
cargo-fmt-check	24s
cargo-run-e2e-test	29m 38s
cargo-run-e2e-test-evm	15m 28s
cargo-run-e2e-test-midenvm	17m 55s
cargo-test-lib-std	4m 35s
forc-pkg-fuels-deps-check	21s
forc-run-benchmarks	16m 21s
forc-unit-tests	8m 25s
cargo-test-workspace	16m 29s
cargo-unused-deps-check	6m 8s
pre-publish-check	0s
notify-slack-on-failure	2s
build-publish-master-image	0s
publish	0s
build-publish-release-image	0s
Build and upload forc binaries to release	0s
	3h 21m 2s

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