Update pallet macro migrations. (#8766)

* Update pallet macro migrations.

* Revert dispatchable call visibility changes.

* fmt

substrate/frame/im-online/src/lib.rs

@@ -397,7 +397,7 @@ pub mod pallet {
 			// since signature verification is done in `validate_unsigned`
 			// we can skip doing it here again.
 			_signature: <T::AuthorityId as RuntimeAppPublic>::Signature,
-		) -> DispatchResultWithPostInfo {
+		) -> DispatchResult {
 			ensure_none(origin)?;
 
 			let current_session = T::ValidatorSet::session_index();
@@ -417,7 +417,7 @@ pub mod pallet {
 					&network_state
 				);
 
-				Ok(().into())
+				Ok(())
 			} else if exists {
 				Err(Error::<T>::DuplicatedHeartbeat)?
 			} else {

substrate/frame/im-online/src/tests.rs

@@ -114,7 +114,7 @@ fn heartbeat(
 	authority_index: u32,
 	id: UintAuthorityId,
 	validators: Vec<u64>,
-) -> dispatch::DispatchResultWithPostInfo {
+) -> dispatch::DispatchResult {
 	use frame_support::unsigned::ValidateUnsigned;
 
 	let heartbeat = Heartbeat {