Rust

Move `GenesisConfig` to `genesis.rs` in all modules. #3364

Job	Run time
check-demo-rollup-table-of-contents	11s
check	2m 44s
check-licenses	52s
cargo-doc-artifact	1m 47s
coverage	5m 0s
test	5m 18s
validate-packages-to-publish-yml	39s
deploy-github-pages	0s
features	0s
check-demo-rollup-bash-commands	1s
	16m 32s

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