Removed migrations from release-11 branch

bin/runtime/src/lib.rs

@@ -34,7 +34,7 @@ use frame_system::{EnsureRoot, EnsureSignedBy};
 #[cfg(feature = "try-runtime")]
 use frame_try_runtime::UpgradeCheckSelect;
 pub use pallet_balances::Call as BalancesCall;
-use pallet_committee_management::{PrefixMigration, SessionAndEraManager};
+use pallet_committee_management::SessionAndEraManager;
 pub use pallet_timestamp::Call as TimestampCall;
 use pallet_transaction_payment::{CurrencyAdapter, Multiplier, TargetedFeeAdjustment};
 pub use primitives::Balance;
@@ -409,7 +409,6 @@ parameter_types! {
     pub const MaxPointsToBalance: u8 = 10;
 }
 
-use pallet_elections::{CommitteeSizeMigration, MigrateToV4};
 use sp_runtime::traits::Convert;
 
 pub struct BalanceToU256;
@@ -848,20 +847,13 @@ pub type UncheckedExtrinsic =
 /// Extrinsic type that has already been checked.
 pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, RuntimeCall, SignedExtra>;
 
-pub type Migrations = (
-    PrefixMigration<Runtime>,
-    MigrateToV4<Runtime>,
-    CommitteeSizeMigration<Runtime>,
-);
-
 /// Executive: handles dispatch to the various modules.
 pub type Executive = frame_executive::Executive<
     Runtime,
     Block,
     frame_system::ChainContext<Runtime>,
     Runtime,
     AllPalletsWithSystem,
-    Migrations,
 >;
 
 #[cfg(feature = "runtime-benchmarks")]

pallets/committee-management/src/lib.rs

@@ -24,13 +24,11 @@ extern crate core;
 
 mod impls;
 mod manager;
-mod migration;
 mod traits;
 
 use codec::{Decode, Encode};
 use frame_support::{pallet_prelude::Get, traits::StorageVersion};
 pub use manager::SessionAndEraManager;
-pub use migration::PrefixMigration;
 pub use pallet::*;
 use primitives::{BanConfig as BanConfigStruct, BanInfo, SessionValidators, LENIENT_THRESHOLD};
 use scale_info::TypeInfo;

pallets/elections/src/lib.rs

@@ -15,7 +15,6 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
 mod impls;
-mod migration;
 #[cfg(test)]
 mod mock;
 #[cfg(test)]
@@ -24,7 +23,6 @@ mod traits;
 
 use codec::{Decode, Encode};
 use frame_support::traits::StorageVersion;
-pub use migration::{v4::Migration as MigrateToV4, v5::Migration as CommitteeSizeMigration};
 pub use pallet::*;
 pub use primitives::EraValidators;
 use scale_info::TypeInfo;
@@ -36,7 +34,6 @@ use sp_std::{
 pub type TotalReward = u32;
 
 const STORAGE_VERSION: StorageVersion = StorageVersion::new(5);
-const LOG_TARGET: &str = "pallet-elections";
 
 #[derive(Decode, Encode, TypeInfo)]
 pub struct ValidatorTotalRewards<T>(pub BTreeMap<T, TotalReward>);