remove result wrapping

Signed-off-by: simonsan <[email protected]>

crates/core/src/archiver/file_archiver.rs

@@ -178,6 +178,6 @@ impl<'a, BE: DecryptWriteBackend, I: ReadGlobalIndex> FileArchiver<'a, BE, I> {
     ///
     /// If the channel could not be dropped
     pub(crate) fn finalize(self) -> RusticResult<PackerStats> {
-        Ok(self.data_packer.finalize()?)
+        self.data_packer.finalize()
     }
 }