chore: simplify StatsSet #5674

Job	Run time
bench test	7m 13s
Check generated proto/fbs files are up to date	50s
Rust build (all-features)	7m 11s
License Check and Audit Check	3m 41s
Rust build (default features)	7m 3s
miri	7m 10s
Python (lint)	3m 28s
Rust build (with tokio dispatcher)	6m 56s
Python (test)	6m 39s
Rust build (with compio dispatcher)	7m 1s
Rust (docs)	2m 3s
Rust (tests)	7m 10s
Rust build (with tokio+compio dispatcher)	7m 9s
Rust build (wasm32 with default features)	3m 53s
	1h 17m 27s

Provide feedback