Remove tracing-gum #9305

Job	Run time
preflight / preflight	47s
preflight / ci-versions	58s
test-full-crypto-feature	2m 37s
cargo-check-benches (master)	2m 50s
cargo-check-benches (current)	2m 39s
cargo-check-each-crate (1)	4m 52s
test-frame-ui	5m 36s
cargo-check-each-crate (2)	4m 46s
test-node-metrics	7m 40s
cargo-check-each-crate (3)	4m 11s
cargo-check-each-crate (4)	3m 26s
cargo-check-each-crate (5)	3m 8s
cargo-check-each-crate (6)	2m 56s
cargo-check-all-crate-macos	2m 27s
cargo-check-each-crate (7)	2m 41s
test-frame-examples-compile-to-wasm	3m 9s
node-bench-regression-guard	9s
test-deterministic-wasm	9m 8s
check-tracing	0s
check-metadata-hash	0s
All test misc tests passed	1s
	1h 4m 1s

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