Removed relayer_account: &AccountId from MessageDispatch (#2080)

* SourceBridgeHubChain/TargetBridgeHubChain replaced with RelayerAccountChain

* Fix

* Removed `relayer_account: &AccountId` from `MessageDispatch`

bridges/bin/rialto-parachain/runtime/src/lib.rs

@@ -926,8 +926,7 @@ mod tests {
 
 			// we care only about handing message to the XCM dispatcher, so we don't care about its
 			// actual dispatch
-			let dispatch_result =
-				FromMillauMessageDispatch::dispatch(&AccountId::from([0u8; 32]), incoming_message);
+			let dispatch_result = FromMillauMessageDispatch::dispatch(incoming_message);
 			assert!(matches!(
 				dispatch_result.dispatch_level_result,
 				XcmBlobMessageDispatchResult::NotDispatched(_),

bridges/bin/rialto-parachain/runtime/src/millau_messages.rs

@@ -60,8 +60,6 @@ pub type FromMillauMessagePayload = messages::target::FromBridgedChainMessagePay
 /// Call-dispatch based message dispatch for Millau -> RialtoParachain messages.
 pub type FromMillauMessageDispatch =
 	bridge_runtime_common::messages_xcm_extension::XcmBlobMessageDispatch<
-		bp_rialto_parachain::RialtoParachain,
-		bp_millau::Millau,
 		crate::OnRialtoParachainBlobDispatcher,
 		(),
 	>;