chore(runtime): remove enacted block_time_6s migrations; heima spec 9270, node 0.9.27

parachain/node/Cargo.toml

@@ -7,7 +7,7 @@ homepage = 'https://www.heima.network'
 license = 'GPL-3.0'
 name = 'heima-node'
 repository = 'https://github.com/litentry/heima'
-version = '0.9.26'
+version = '0.9.27'
 
 [[bin]]
 name = 'heima-node'

parachain/runtime/heima/src/lib.rs

@@ -153,10 +153,6 @@ pub type SignedPayload = generic::SignedPayload<RuntimeCall, SignedExtra>;
 
 /// Migrations to apply on runtime upgrade.
 pub type Migrations = (
-	// one-shot: rescale bounded block-number/per-block state for the 12s -> 6s block-time change
-	// (spec_version 9262). Remove in the release after this one. The large `pallet_vesting` map is
-	// migrated separately as a multi-block migration, see `pallet_migrations::Config::Migrations`.
-	migration::block_time_6s::OnePassRescale<Runtime>,
 	// permanent
 	pallet_xcm::migration::MigrateToLatestXcmVersion<Runtime>,
 );
@@ -249,7 +245,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	impl_name: alloc::borrow::Cow::Borrowed("heima"),
 	authoring_version: 1,
 	// same versioning-mechanism as polkadot: use last digit for minor updates
-	spec_version: 9262,
+	spec_version: 9270,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 2,
@@ -473,12 +469,7 @@ parameter_types! {
 impl pallet_migrations::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	#[cfg(not(feature = "runtime-benchmarks"))]
-	type Migrations = (
-		pallet_identity::migration::v2::LazyMigrationV1ToV2<Runtime>,
-		// one-shot: rescale vesting schedules for the 12s -> 6s block-time change (spec 9262).
-		// Remove in the release after this one.
-		migration::block_time_6s::VestingRescaleMigration<Runtime>,
-	);
+	type Migrations = pallet_identity::migration::v2::LazyMigrationV1ToV2<Runtime>;
 	// Benchmarks need mocked migrations to guarantee that they succeed.
 	#[cfg(feature = "runtime-benchmarks")]
 	type Migrations = pallet_migrations::mock_helpers::MockedMigrations;