Clean up ECOSYSTEM.md #5289

Job	Run time
cargo-hack	3m 9s
check	45s
check-docs	31s
cargo-public-api-crates (axum)	30s
cargo-public-api-crates (axum-core)	21s
cargo-deny check (advisories)	27s
dependencies-are-sorted	20s
Spell Check with Typos	4s
cargo-public-api-crates (axum-extra)	30s
cargo-deny check (bans licenses sources)	26s
cargo-public-api-crates (axum-macros)	20s
test-docs	1m 40s
test-msrv	2m 3s
test-nightly	1m 16s
armv5te-unknown-linux-musleabi	26s
test-versions (stable)	1m 20s
wasm32-unknown-unknown	10s
test-versions (beta)	1m 11s
	15m 29s

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