Replace const parameters types (#1691)

* Replace const parameters

* fmt

* missed out Maxlocks

bridges/bin/rialto/runtime/src/xcm_config.rs

@@ -27,7 +27,7 @@ use bridge_runtime_common::{
 };
 use frame_support::{
 	parameter_types,
-	traits::{Everything, Nothing},
+	traits::{ConstU32, Everything, Nothing},
 };
 use xcm::latest::prelude::*;
 use xcm_builder::{
@@ -104,10 +104,6 @@ pub type XcmRouter = (
 	XcmBridgeAdapter<ToMillauBridge>,
 );
 
-parameter_types! {
-	pub const MaxAssetsIntoHolding: u32 = 64;
-}
-
 /// The barriers one of which must be passed for an XCM message to be executed.
 pub type Barrier = (
 	// Weight that is paid for may be consumed.
@@ -141,7 +137,7 @@ impl xcm_executor::Config for XcmConfig {
 	type AssetClaims = XcmPallet;
 	type SubscriptionService = XcmPallet;
 	type PalletInstancesInfo = AllPalletsWithSystem;
-	type MaxAssetsIntoHolding = MaxAssetsIntoHolding;
+	type MaxAssetsIntoHolding = ConstU32<64>;
 	type FeeManager = ();
 	type MessageExporter = ();
 	type UniversalAliases = Nothing;