Remove migrations (#2941)

Author: zjb0807

runtime/acala/src/lib.rs

@@ -2035,25 +2035,8 @@ pub type Executive = frame_executive::Executive<
 	Migrations,
 >;
 
-pub struct RemoveXTokensMigrationStatus<T>(frame_support::pallet_prelude::PhantomData<T>);
-
-impl<T: frame_system::Config> frame_support::traits::OnRuntimeUpgrade for RemoveXTokensMigrationStatus<T> {
-	fn on_runtime_upgrade() -> Weight {
-		let key = frame_support::storage::storage_prefix(b"XTokens", b"MigrationStatus");
-		log::info!(
-			"key: {:?}, exists: {:?}",
-			key,
-			frame_support::storage::unhashed::exists(&key)
-		);
-
-		frame_support::storage::unhashed::kill(&key);
-
-		T::DbWeight::get().writes(1)
-	}
-}
-
 #[allow(unused_parens)]
-type Migrations = (RemoveXTokensMigrationStatus<Runtime>);
+type Migrations = ();
 
 #[cfg(feature = "runtime-benchmarks")]
 mod benches {

runtime/karura/src/lib.rs

@@ -2042,25 +2042,8 @@ pub type Executive = frame_executive::Executive<
 	Migrations,
 >;
 
-pub struct RemoveXTokensMigrationStatus<T>(frame_support::pallet_prelude::PhantomData<T>);
-
-impl<T: frame_system::Config> frame_support::traits::OnRuntimeUpgrade for RemoveXTokensMigrationStatus<T> {
-	fn on_runtime_upgrade() -> Weight {
-		let key = frame_support::storage::storage_prefix(b"XTokens", b"MigrationStatus");
-		log::info!(
-			"key: {:?}, exists: {:?}",
-			key,
-			frame_support::storage::unhashed::exists(&key)
-		);
-
-		frame_support::storage::unhashed::kill(&key);
-
-		T::DbWeight::get().writes(1)
-	}
-}
-
 #[allow(unused_parens)]
-type Migrations = (RemoveXTokensMigrationStatus<Runtime>);
+type Migrations = ();
 
 #[cfg(feature = "runtime-benchmarks")]
 mod benches {