metropolis/pkg/verity: remove noop on encoder close

Change-Id: I68b69a070aa02cb58f0855e9b002cdcdcde6821f
Reviewed-on: https://review.monogon.dev/c/monogon/+/3030
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
Vouch-Run-CI: Tim Windelschmidt <tim@monogon.tech>
Tested-by: Jenkins CI
diff --git a/metropolis/pkg/verity/encoder.go b/metropolis/pkg/verity/encoder.go
index b28e01d..1b7913b 100644
--- a/metropolis/pkg/verity/encoder.go
+++ b/metropolis/pkg/verity/encoder.go
@@ -516,11 +516,6 @@
 		return fmt.Errorf("while writing a hash tree: %w", err)
 	}
 
-	// Reset the encoder.
-	e, err = NewEncoder(e.out, e.sb.dataBlockSize, e.sb.hashBlockSize, e.writeSb)
-	if err != nil {
-		return fmt.Errorf("while resetting an encoder: %w", err)
-	}
 	return nil
 }