treewide: remove unnecessary types and conversions

Change-Id: Ifcaa9ceeec243b3646c9b6e0a6fad7ef2db8fd90
Reviewed-on: https://review.monogon.dev/c/monogon/+/2954
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
Tested-by: Jenkins CI
diff --git a/net/dump/hwaddr_compat.go b/net/dump/hwaddr_compat.go
index 9cd99a8..07067bf 100644
--- a/net/dump/hwaddr_compat.go
+++ b/net/dump/hwaddr_compat.go
@@ -79,5 +79,5 @@
 	if data.Size == 0 || isAllZeroes(data.Data[:data.Size]) {
 		return nil, errNoPermenentHWAddr
 	}
-	return net.HardwareAddr(data.Data[:data.Size]), nil
+	return data.Data[:data.Size], nil
 }