migrate pallet-remarks to v2 bench syntax #4977

Job	Run time
preflight / preflight	44s
preflight / ci-versions	55s
cargo-check-benches (master)	21m 2s
cargo-check-benches (current)	22m 2s
test-frame-ui	46m 6s
cargo-check-each-crate (1)	18m 45s
cargo-check-each-crate (2)	19m 15s
cargo-check-each-crate (3)	8m 36s
test-node-metrics	8m 20s
cargo-check-each-crate (4)	19m 50s
cargo-check-all-crate-macos	11m 36s
cargo-check-each-crate (5)	24m 18s
test-full-crypto-feature	2m 43s
cargo-check-each-crate (6)	14m 35s
cargo-check-each-crate (7)	28m 13s
test-frame-examples-compile-to-wasm	3m 6s
test-deterministic-wasm	7m 46s
check-tracing	2m 23s
check-metadata-hash	6m 54s
node-bench-regression-guard	12s
All test misc tests passed	1s
	4h 27m 22s

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