chore: remove outdated link (#2497) #4364

Job	Run time
cargo-public-api-crates (axum)	35s
cargo-hack	5m 44s
cargo-public-api-crates (axum-core)	19s
check	46s
check-docs	19s
cargo-public-api-crates (axum-extra)	26s
cargo-public-api-crates (axum-macros)	14s
cargo-deny check (advisories)	24s
dependencies-are-sorted	13s
Spell Check with Typos	7s
cargo-deny check (bans licenses sources)	27s
test-msrv	5m 56s
test-nightly	1m 56s
test-docs	2m 9s
armv5te-unknown-linux-musleabi	26s
test-versions (stable)	3m 47s
wasm32-unknown-unknown	20s
test-versions (beta)	3m 37s
	27m 45s

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