Cleanup old migrations #13040

Job	Run time
set-tags	7s
check-links	48s
Check with EsLint	24s
Check editorconfig	7s
check-copyright	4s
Check with Prettier	26s
build	5m 44s
cargo-clippy	3m 4s
Check Cargo.toml files format	4s
Check 'forbid-evm-reentrancy'	12s
rust-test	9m 37s
Check with rustfmt	16s
Check WASM runtimes with Twiggy	2m 48s
dev-test (moonbase, 1)	2m 28s
docker-moonbeam	59s
dev-test (moonbase, 2)	2m 36s
dev-test (moonbase, 3)	2m 17s
dev-test (moonbase, 4)	2m 32s
dev-test (moonriver, 1)	1m 39s
dev-test (moonriver, 2)	1m 42s
dev-test (moonriver, 3)	1m 40s
dev-test (moonriver, 4)	1m 37s
dev-test (moonbeam, 1)	1m 41s
dev-test (moonbeam, 2)	1m 40s
dev-test (moonbeam, 3)	1m 41s
dev-test (moonbeam, 4)	1m 44s
typescript-tracing-tests	6m 30s
chopsticks-upgrade-test (moonbase)	55s
lazy-loading-tests (moonbeam)	1m 48s
chopsticks-upgrade-test (moonriver)	53s
zombie_upgrade_test (moonbase)	8m 32s
chopsticks-upgrade-test (moonbeam)	53s
zombie_upgrade_test (moonbeam)	8m 31s
	1h 15m 59s

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