sync: Remove checking of the extrinsics root #3586

Job	Run time
preflight / preflight	43s
preflight / ci-versions	59s
cargo-check-benches (master)	20m 17s
cargo-check-benches (current)	22m 19s
cargo-check-all-crate-macos	10m 56s
cargo-check-each-crate (1)	19m 23s
test-frame-ui	46m 5s
cargo-check-each-crate (2)	22m 36s
cargo-check-each-crate (3)	6m 49s
test-full-crypto-feature	2m 31s
cargo-check-each-crate (4)	21m 45s
cargo-check-each-crate (5)	30m 51s
cargo-check-each-crate (6)	14m 23s
cargo-check-each-crate (7)	29m 22s
test-node-metrics	10m 53s
test-frame-examples-compile-to-wasm	3m 3s
test-deterministic-wasm	6m 19s
check-tracing	2m 21s
check-metadata-hash	6m 9s
node-bench-regression-guard	13s
All test misc tests passed	1s
	4h 37m 58s

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