Rust

Move `GenesisConfig` to `genesis.rs` in all modules. #3338

Job	Run time
check-licenses	49s
check-demo-rollup-table-of-contents	10s
check	2m 55s
cargo-doc-artifact	1m 47s
coverage	5m 52s
test	4m 37s
validate-packages-to-publish-yml	46s
deploy-github-pages	0s
features	0s
check-demo-rollup-bash-commands	11m 37s
	28m 33s

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