Re-enable Identity on Westend and Rococo (#1901)

Reverts https://github.com/paritytech/polkadot-sdk/pull/1476

The `lock_pallet` / `unlock_pallet` additions in
https://github.com/paritytech/polkadot-sdk/pull/1814 will result in less
downtime for users than using runtime upgrades.

polkadot/runtime/westend/src/lib.rs

@@ -31,7 +31,7 @@ use frame_support::{
 	genesis_builder_helper::{build_config, create_default_config},
 	parameter_types,
 	traits::{
-		fungible::HoldConsideration, ConstU32, Contains, EitherOf, EitherOfDiverse, EverythingBut,
+		fungible::HoldConsideration, ConstU32, EitherOf, EitherOfDiverse, Everything,
 		InstanceFilter, KeyOwnerProofSystem, LinearStoragePrice, ProcessMessage,
 		ProcessMessageError, WithdrawReasons,
 	},
@@ -160,24 +160,13 @@ pub fn native_version() -> NativeVersion {
 	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
 }
 
-/// A type to identify calls to the Identity pallet. These will be filtered to prevent invocation,
-/// locking the state of the pallet and preventing further updates to identities and sub-identities.
-/// The locked state will be the genesis state of a new system chain and then removed from the Relay
-/// Chain.
-pub struct IdentityCalls;
-impl Contains<RuntimeCall> for IdentityCalls {
-	fn contains(c: &RuntimeCall) -> bool {
-		matches!(c, RuntimeCall::Identity(_))
-	}
-}
-
 parameter_types! {
 	pub const Version: RuntimeVersion = VERSION;
 	pub const SS58Prefix: u8 = 42;
 }
 
 impl frame_system::Config for Runtime {
-	type BaseCallFilter = EverythingBut<IdentityCalls>;
+	type BaseCallFilter = Everything;
 	type BlockWeights = BlockWeights;
 	type BlockLength = BlockLength;
 	type RuntimeOrigin = RuntimeOrigin;