remove old migrations (#3609)

runtime/kusama/src/lib.rs

@@ -1485,7 +1485,7 @@ pub type Executive = frame_executive::Executive<
 	frame_system::ChainContext<Runtime>,
 	Runtime,
 	AllPallets,
-	(RemoveCollectiveFlip, MigratePalletVersionToStorageVersion),
+	MigratePalletVersionToStorageVersion,
 >;
 /// The payload being signed in the transactions.
 pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;
@@ -1501,16 +1501,6 @@ impl OnRuntimeUpgrade for MigratePalletVersionToStorageVersion {
 	}
 }
 
-pub struct RemoveCollectiveFlip;
-impl frame_support::traits::OnRuntimeUpgrade for RemoveCollectiveFlip {
-	fn on_runtime_upgrade() -> Weight {
-		use frame_support::storage::migration;
-		// Remove the storage value `RandomMaterial` from removed pallet `RandomnessCollectiveFlip`
-		migration::remove_storage_prefix(b"RandomnessCollectiveFlip", b"RandomMaterial", b"");
-		<Runtime as frame_system::Config>::DbWeight::get().writes(1)
-	}
-}
-
 #[cfg(not(feature = "disable-runtime-api"))]
 sp_api::impl_runtime_apis! {
 	impl sp_api::Core<Block> for Runtime {

runtime/polkadot/src/lib.rs

@@ -1124,7 +1124,7 @@ pub type Executive = frame_executive::Executive<
 	frame_system::ChainContext<Runtime>,
 	Runtime,
 	AllPallets,
-	(RemoveCollectiveFlip, MigratePalletVersionToStorageVersion),
+	MigratePalletVersionToStorageVersion,
 >;
 /// The payload being signed in transactions.
 pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;
@@ -1140,16 +1140,6 @@ impl OnRuntimeUpgrade for MigratePalletVersionToStorageVersion {
 	}
 }
 
-pub struct RemoveCollectiveFlip;
-impl frame_support::traits::OnRuntimeUpgrade for RemoveCollectiveFlip {
-	fn on_runtime_upgrade() -> Weight {
-		use frame_support::storage::migration;
-		// Remove the storage value `RandomMaterial` from removed pallet `RandomnessCollectiveFlip`
-		migration::remove_storage_prefix(b"RandomnessCollectiveFlip", b"RandomMaterial", b"");
-		<Runtime as frame_system::Config>::DbWeight::get().writes(1)
-	}
-}
-
 #[cfg(not(feature = "disable-runtime-api"))]
 sp_api::impl_runtime_apis! {
 	impl sp_api::Core<Block> for Runtime {

runtime/westend/src/lib.rs

@@ -1068,7 +1068,7 @@ pub type Executive = frame_executive::Executive<
 	frame_system::ChainContext<Runtime>,
 	Runtime,
 	AllPallets,
-	(RemoveCollectiveFlip, MigratePalletVersionToStorageVersion),
+	MigratePalletVersionToStorageVersion,
 >;
 /// The payload being signed in transactions.
 pub type SignedPayload = generic::SignedPayload<Call, SignedExtra>;
@@ -1084,16 +1084,6 @@ impl OnRuntimeUpgrade for MigratePalletVersionToStorageVersion {
 	}
 }
 
-pub struct RemoveCollectiveFlip;
-impl frame_support::traits::OnRuntimeUpgrade for RemoveCollectiveFlip {
-	fn on_runtime_upgrade() -> Weight {
-		use frame_support::storage::migration;
-		// Remove the storage value `RandomMaterial` from removed pallet `RandomnessCollectiveFlip`
-		migration::remove_storage_prefix(b"RandomnessCollectiveFlip", b"RandomMaterial", b"");
-		<Runtime as frame_system::Config>::DbWeight::get().writes(1)
-	}
-}
-
 #[cfg(not(feature = "disable-runtime-api"))]
 sp_api::impl_runtime_apis! {
 	impl sp_api::Core<Block> for Runtime {