Rococo AH: undeploy trie migration (paritytech#4414)

The state-trie migration is completed on Rococo Asset-Hub as
double-checked
[here](paritytech#4174 (comment)).
Undeploying now.

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

cumulus/parachains/runtimes/assets/asset-hub-rococo/Cargo.toml

@@ -37,7 +37,6 @@ pallet-nfts = { path = "../../../../../substrate/frame/nfts", default-features =
 pallet-nfts-runtime-api = { path = "../../../../../substrate/frame/nfts/runtime-api", default-features = false }
 pallet-proxy = { path = "../../../../../substrate/frame/proxy", default-features = false }
 pallet-session = { path = "../../../../../substrate/frame/session", default-features = false }
-pallet-state-trie-migration = { path = "../../../../../substrate/frame/state-trie-migration", default-features = false }
 pallet-timestamp = { path = "../../../../../substrate/frame/timestamp", default-features = false }
 pallet-transaction-payment = { path = "../../../../../substrate/frame/transaction-payment", default-features = false }
 pallet-transaction-payment-rpc-runtime-api = { path = "../../../../../substrate/frame/transaction-payment/rpc/runtime-api", default-features = false }
@@ -124,7 +123,6 @@ runtime-benchmarks = [
 	"pallet-nft-fractionalization/runtime-benchmarks",
 	"pallet-nfts/runtime-benchmarks",
 	"pallet-proxy/runtime-benchmarks",
-	"pallet-state-trie-migration/runtime-benchmarks",
 	"pallet-timestamp/runtime-benchmarks",
 	"pallet-uniques/runtime-benchmarks",
 	"pallet-utility/runtime-benchmarks",
@@ -163,7 +161,6 @@ try-runtime = [
 	"pallet-nfts/try-runtime",
 	"pallet-proxy/try-runtime",
 	"pallet-session/try-runtime",
-	"pallet-state-trie-migration/try-runtime",
 	"pallet-timestamp/try-runtime",
 	"pallet-transaction-payment/try-runtime",
 	"pallet-uniques/try-runtime",
@@ -213,7 +210,6 @@ std = [
 	"pallet-nfts/std",
 	"pallet-proxy/std",
 	"pallet-session/std",
-	"pallet-state-trie-migration/std",
 	"pallet-timestamp/std",
 	"pallet-transaction-payment-rpc-runtime-api/std",
 	"pallet-transaction-payment/std",

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

@@ -945,8 +945,6 @@ construct_runtime!(
 		PoolAssets: pallet_assets::<Instance3> = 55,
 		AssetConversion: pallet_asset_conversion = 56,
 
-		StateTrieMigration: pallet_state_trie_migration = 70,
-
 		// TODO: the pallet instance should be removed once all pools have migrated
 		// to the new account IDs.
 		AssetConversionMigration: pallet_asset_conversion_ops = 200,
@@ -1785,47 +1783,6 @@ cumulus_pallet_parachain_system::register_validate_block! {
 	BlockExecutor = cumulus_pallet_aura_ext::BlockExecutor::<Runtime, Executive>,
 }
 
-parameter_types! {
-	// The deposit configuration for the singed migration. Specially if you want to allow any signed account to do the migration (see `SignedFilter`, these deposits should be high)
-	pub const MigrationSignedDepositPerItem: Balance = CENTS;
-	pub const MigrationSignedDepositBase: Balance = 2_000 * CENTS;
-	pub const MigrationMaxKeyLen: u32 = 512;
-}
-
-impl pallet_state_trie_migration::Config for Runtime {
-	type RuntimeEvent = RuntimeEvent;
-	type Currency = Balances;
-	type RuntimeHoldReason = RuntimeHoldReason;
-	type SignedDepositPerItem = MigrationSignedDepositPerItem;
-	type SignedDepositBase = MigrationSignedDepositBase;
-	// An origin that can control the whole pallet: should be Root, or a part of your council.
-	type ControlOrigin = frame_system::EnsureSignedBy<RootMigController, AccountId>;
-	// specific account for the migration, can trigger the signed migrations.
-	type SignedFilter = frame_system::EnsureSignedBy<MigController, AccountId>;
-
-	// Replace this with weight based on your runtime.
-	type WeightInfo = pallet_state_trie_migration::weights::SubstrateWeight<Runtime>;
-
-	type MaxKeyLen = MigrationMaxKeyLen;
-}
-
-frame_support::ord_parameter_types! {
-	pub const MigController: AccountId = AccountId::from(hex_literal::hex!("8458ed39dc4b6f6c7255f7bc42be50c2967db126357c999d44e12ca7ac80dc52"));
-	pub const RootMigController: AccountId = AccountId::from(hex_literal::hex!("8458ed39dc4b6f6c7255f7bc42be50c2967db126357c999d44e12ca7ac80dc52"));
-}
-
-#[test]
-fn ensure_key_ss58() {
-	use frame_support::traits::SortedMembers;
-	use sp_core::crypto::Ss58Codec;
-	let acc =
-		AccountId::from_ss58check("5F4EbSkZz18X36xhbsjvDNs6NuZ82HyYtq5UiJ1h9SBHJXZD").unwrap();
-	assert_eq!(acc, MigController::sorted_members()[0]);
-	let acc =
-		AccountId::from_ss58check("5F4EbSkZz18X36xhbsjvDNs6NuZ82HyYtq5UiJ1h9SBHJXZD").unwrap();
-	assert_eq!(acc, RootMigController::sorted_members()[0]);
-}
-
 #[cfg(test)]
 mod tests {
 	use super::*;

prdoc/pr_4414.prdoc

@@ -0,0 +1,10 @@
+title: "Rococo Asset Hub: undeploy state-trie migration"
+
+doc:
+  - audience: Runtime Dev
+    description: |
+      The state-trie migration on the Rococo Asset Hub is completed and is now removed.
+
+crates:
+  - name: asset-hub-rococo-runtime
+    bump: major