message: Simplify code in RepLog.commit
diff: @@ -106,9 +106,7 @@ impl RepLog {
  /// applies the stored list of `Op`s to the provided `Storage`
  pub fn commit<S: Storage>(self, storage: &mut S) -> Result<()> {
  for op in self.ops_log {
  - if let Err(err) = op.apply(storage) {
  - return Err(err);
  - }
  + op.apply(storage)?;
  }
  Ok(())
  }
  