Remove messed up bridges subtree

polkadot/bridges/primitives/message-dispatch/src/lib.rs

@@ -1,49 +0,0 @@
-// Copyright 2019-2020 Parity Technologies (UK) Ltd.
-// This file is part of Parity Bridges Common.
-
-// Parity Bridges Common is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity Bridges Common is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity Bridges Common.  If not, see <http://www.gnu.org/licenses/>.
-
-//! A common interface for all Bridge Message Dispatch modules.
-
-#![cfg_attr(not(feature = "std"), no_std)]
-#![warn(missing_docs)]
-
-use bp_runtime::InstanceId;
-
-/// Message dispatch weight.
-pub type Weight = u64;
-
-/// A generic trait to dispatch arbitrary messages delivered over the bridge.
-pub trait MessageDispatch<MessageId> {
-	/// A type of the message to be dispatched.
-	type Message: codec::Decode;
-
-	/// Estimate dispatch weight.
-	///
-	/// This function must: (1) be instant and (2) return correct upper bound
-	/// of dispatch weight.
-	fn dispatch_weight(message: &Self::Message) -> Weight;
-
-	/// Dispatches the message internally.
-	///
-	/// `bridge` indicates instance of deployed bridge where the message came from.
-	///
-	/// `id` is a short unique identifier of the message.
-	///
-	/// If message is `Ok`, then it should be dispatched. If it is `Err`, then it's just
-	/// a sign that some other component has rejected the message even before it has
-	/// reached `dispatch` method (right now this may only be caused if we fail to decode
-	/// the whole message).
-	fn dispatch(bridge: InstanceId, id: MessageId, message: Result<Self::Message, ()>);
-}