Remove unused journal types

x/evm/statedb/access_list.go

@@ -47,7 +47,7 @@ func (al *accessList) Contains(address common.Address, slot common.Hash) (addres
 	return true, slotPresent
 }
 
-// newaccessListOld creates a new accessListOld.
+// newAccessList creates a new newAccessList.
 func newAccessList() *accessList {
 	return &accessList{
 		addresses: make(map[common.Address]int),

x/evm/statedb/journal.go

@@ -93,20 +93,6 @@ func (j *journal) length() int {
 }
 
 type (
-	// Changes to the account trie.
-	createObjectChange struct {
-		account *common.Address
-	}
-	resetObjectChange struct {
-		prev *stateObject
-	}
-
-	// Changes to other state values.
-	refundChange struct {
-		prev uint64
-	}
-	addLogChange struct{}
-
 	// Changes to the access list
 	accessListAddAccountChange struct {
 		address *common.Address

x/evm/statedb/statedb.go

@@ -404,7 +404,7 @@ func (s *StateDB) RevertToSnapshot(revid int) {
 
 // the StateDB object should be discarded after committed.
 func (s *StateDB) Commit() error {
-	// Delete suicided accounts
+	// Delete suicided accounts -- these still need to be committed
 	suicidedAddrs := s.ephemeralStore.GetAllSuicided(s.ctx.CurrentCtx())
 	for _, addr := range suicidedAddrs {
 		// Balance is also cleared as part of Keeper.DeleteAccount
@@ -416,5 +416,7 @@ func (s *StateDB) Commit() error {
 	// Commit after account deletions
 	s.ctx.Commit()
 
+	// Journal only contains non-state content, so nothing to commit.
+
 	return nil
 }