Remove leftover references of Wococo #4953

Job	Run time
preflight / preflight	45s
preflight / ci-versions	55s
test-full-crypto-feature	2m 32s
cargo-check-benches (master)	21m 26s
cargo-check-benches (current)	24m 8s
cargo-check-each-crate (1)	21m 14s
test-frame-ui	46m 1s
cargo-check-each-crate (2)	20m 32s
cargo-check-each-crate (3)	8m 31s
cargo-check-each-crate (4)	17m 42s
test-node-metrics	9m 14s
cargo-check-each-crate (5)	25m 57s
cargo-check-each-crate (6)	14m 31s
cargo-check-each-crate (7)	29m 7s
cargo-check-all-crate-macos	11m 44s
test-frame-examples-compile-to-wasm	3m 4s
test-deterministic-wasm	6m 23s
check-tracing	2m 40s
check-metadata-hash	6m 19s
node-bench-regression-guard	15s
All test misc tests passed	1s
	4h 33m 1s

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