Remove support for encoded-call messaging from relay and runtime integration code (#1376)

* remove support for encoded-call messaging

* continue cleanup

* continue cleanup

* continue cleanup

* more cleanpup

* more cleanup

* fmt

* continue cleanup

* spellcheck

* rename

* fix benchmarks

* mention encoded-calls-messaging tag

* fixing deployments

* fix messages generation

* fmt

bridges/relays/client-kusama/src/runtime.rs

@@ -27,30 +27,6 @@ use sp_runtime::FixedU128;
 /// Unchecked Kusama extrinsic.
 pub type UncheckedExtrinsic = bp_polkadot_core::UncheckedExtrinsic<Call>;
 
-/// Polkadot account ownership digest from Kusama.
-///
-/// The byte vector returned by this function should be signed with a Polkadot account private key.
-/// This way, the owner of `kusama_account_id` on Kusama proves that the Polkadot account private
-/// key is also under his control.
-pub fn kusama_to_polkadot_account_ownership_digest<Call, AccountId, SpecVersion>(
-	polkadot_call: &Call,
-	kusama_account_id: AccountId,
-	polkadot_spec_version: SpecVersion,
-) -> Vec<u8>
-where
-	Call: codec::Encode,
-	AccountId: codec::Encode,
-	SpecVersion: codec::Encode,
-{
-	pallet_bridge_dispatch::account_ownership_digest(
-		polkadot_call,
-		kusama_account_id,
-		polkadot_spec_version,
-		bp_runtime::KUSAMA_CHAIN_ID,
-		bp_runtime::POLKADOT_CHAIN_ID,
-	)
-}
-
 /// Kusama Runtime `Call` enum.
 ///
 /// The enum represents a subset of possible `Call`s we can send to Kusama chain.
@@ -115,16 +91,7 @@ pub enum BridgePolkadotMessagesCall {
 	#[codec(index = 2)]
 	update_pallet_parameter(BridgePolkadotMessagesParameter),
 	#[codec(index = 3)]
-	send_message(
-		LaneId,
-		bp_message_dispatch::MessagePayload<
-			bp_kusama::AccountId,
-			bp_polkadot::AccountId,
-			bp_polkadot::AccountPublic,
-			Vec<u8>,
-		>,
-		bp_kusama::Balance,
-	),
+	send_message(LaneId, Vec<u8>, bp_kusama::Balance),
 	#[codec(index = 5)]
 	receive_messages_proof(
 		bp_polkadot::AccountId,