rm shift session manager pallet and clean useless imports

bin/runtime-common/src/messages.rs

@@ -20,26 +20,24 @@
 //! pallet is used to dispatch incoming messages. Message identified by a tuple
 //! of to elements - message lane id and message nonce.
 
-use bp_message_dispatch::MessageDispatch as _;
 use bp_messages::{
 	source_chain::LaneMessageVerifier,
-	target_chain::{DispatchMessage, MessageDispatch, ProvedLaneMessages, ProvedMessages},
+	target_chain::{ProvedLaneMessages, ProvedMessages},
 	InboundLaneData, LaneId, Message, MessageData, MessageKey, MessageNonce, OutboundLaneData,
 };
 use bp_runtime::{
-	messages::{DispatchFeePayment, MessageDispatchResult},
+	messages::{DispatchFeePayment},
 	ChainId, Size, StorageProofChecker,
 };
 use codec::{Decode, DecodeLimit, Encode};
 use frame_support::{
-	traits::{Currency, ExistenceRequirement},
-	weights::{Weight, WeightToFeePolynomial},
+	weights::Weight,
 	RuntimeDebug,
 };
 use hash_db::Hasher;
 use scale_info::TypeInfo;
 use sp_runtime::{
-	traits::{AtLeast32BitUnsigned, CheckedAdd, CheckedDiv, CheckedMul, Saturating, Zero},
+	traits::{AtLeast32BitUnsigned, CheckedAdd, CheckedDiv, CheckedMul},
 	FixedPointNumber, FixedPointOperand, FixedU128,
 };
 use sp_std::{

rust-toolchain.toml

@@ -1,5 +1,5 @@
 [toolchain]
-channel    = "nightly"
+channel    = "nightly-2022-05-15"
 components = ["cargo", "clippy", "rustc", "rustfmt", "rust-src"]
 profile    = "minimal"
 targets    = ["wasm32-unknown-unknown"]