remove some comments

Author: edg-l

crates/storage/snapshot/disklayer.rs

@@ -85,7 +85,6 @@ impl DiskLayer {
             return Ok(value);
         }
 
-        // TODO: check that snapshot is done to make sure None is None?
         let value = self.db.get_storage_snapshot(account_hash, storage_hash)?;
 
         self.cache

crates/storage/snapshot/tree.rs

@@ -360,7 +360,6 @@ impl SnapshotTree {
             .write()
             .map_err(|error| SnapshotError::LockError(error.to_string()))?;
         diff_value.set_parent(base.block_hash());
-        //diff_value.origin = base.block_hash();
 
         Ok(Some(base))
     }