remove duplicated trait

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs

@@ -99,7 +99,6 @@ use xcm::latest::prelude::*;
 use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
 
 #[cfg(not(feature = "runtime-benchmarks"))]
-use crate::xcm_config::AllowSiblingsOnly;
 use crate::{
 	bridge_hub_rococo_config::BridgeRefundBridgeHubWococoMessages,
 	bridge_hub_wococo_config::BridgeRefundBridgeHubRococoMessages, xcm_config::XcmRouter,
@@ -620,7 +619,7 @@ impl snowbridge_control::Config for Runtime {
 	type OwnParaId = ParachainInfo;
 	type OutboundQueue = EthereumOutboundQueue;
 	type MessageHasher = BlakeTwo256;
-	type SiblingOrigin = EnsureXcm<AllowSiblingsOnly>;
+	type SiblingOrigin = EnsureXcm<snowbridge_control::AllowSiblingsOnly>;
 	type AgentIdOf = xcm_config::AgentIdOf;
 	type TreasuryAccount = TreasuryAccount;
 	type Token = Balances;

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/xcm_config.rs

@@ -491,17 +491,6 @@ impl ExportXcm for BridgeHubRococoOrBridgeHubWococoSwitchExporter {
 	}
 }
 
-pub struct AllowSiblingsOnly;
-impl Contains<MultiLocation> for AllowSiblingsOnly {
-	fn contains(location: &MultiLocation) -> bool {
-		if let MultiLocation { parents: 1, interior: X1(Parachain(_)) } = location {
-			true
-		} else {
-			false
-		}
-	}
-}
-
 /// A `HandleFee` implementation that simply deposits the fees for `ExportMessage` XCM instructions
 /// into the accounts that are used for paying the relayer rewards.
 /// Burns the fees in case of a failure.