Cleanup XCMP QueueConfigData (#2142)

Removes obsolete fields from the `QueueConfigData` structure. For the
remaining fields, if they use the old defaults, we replace them with the
new defaults.

Resolves: https://github.com/paritytech/polkadot-sdk/issues/1795

cumulus/parachains/runtimes/assets/asset-hub-rococo/src/lib.rs

@@ -954,8 +954,12 @@ pub type SignedExtra = (
 pub type UncheckedExtrinsic =
 	generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, SignedExtra>;
 /// Migrations to apply on runtime upgrade.
-pub type Migrations =
-	(pallet_collator_selection::migration::v1::MigrateToV1<Runtime>, InitStorageVersions);
+pub type Migrations = (
+	pallet_collator_selection::migration::v1::MigrateToV1<Runtime>,
+	InitStorageVersions,
+	// unreleased
+	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
+);
 
 /// Migration to initialize storage versions for pallets added after genesis.
 ///

cumulus/parachains/runtimes/assets/asset-hub-westend/src/lib.rs

@@ -941,6 +941,8 @@ pub type Migrations = (
 	InitStorageVersions,
 	// unreleased
 	DeleteUndecodableStorage,
+	// unreleased
+	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
 );
 
 /// Asset Hub Westend has some undecodable storage, delete it.

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs

@@ -118,6 +118,7 @@ pub type Migrations = (
 	pallet_collator_selection::migration::v1::MigrateToV1<Runtime>,
 	pallet_multisig::migrations::v1::MigrateToV1<Runtime>,
 	InitStorageVersions,
+	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
 );
 
 /// Migration to initialize storage versions for pallets added after genesis.

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/lib.rs

@@ -118,6 +118,8 @@ pub type Migrations = (
 	pallet_collator_selection::migration::v1::MigrateToV1<Runtime>,
 	pallet_multisig::migrations::v1::MigrateToV1<Runtime>,
 	InitStorageVersions,
+	// unreleased
+	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
 );
 
 /// Migration to initialize storage versions for pallets added after genesis.

cumulus/parachains/runtimes/collectives/collectives-westend/src/lib.rs

@@ -707,6 +707,8 @@ pub type UncheckedExtrinsic =
 type Migrations = (
 	// unreleased
 	pallet_collator_selection::migration::v1::MigrateToV1<Runtime>,
+	// unreleased
+	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
 );
 
 /// Executive: handles dispatch to the various modules.

cumulus/parachains/runtimes/contracts/contracts-rococo/src/lib.rs

@@ -100,9 +100,11 @@ pub type UncheckedExtrinsic =
 /// Migrations to apply on runtime upgrade.
 pub type Migrations = (
 	cumulus_pallet_parachain_system::migration::Migration<Runtime>,
-	cumulus_pallet_xcmp_queue::migration::MigrationToV3<Runtime>,
+	cumulus_pallet_xcmp_queue::migration::v2::MigrationToV2<Runtime>,
+	cumulus_pallet_xcmp_queue::migration::v3::MigrationToV3<Runtime>,
 	pallet_contracts::Migration<Runtime>,
 	// unreleased
+	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
 );
 
 type EventRecord = frame_system::EventRecord<