tests: Stop checking for iscsid being disabled
Having socket units enabled in particular is standard and
expected.  Every one of these should have had an explicit
rationale.  In this case, the rationale is probably lost to
time.
This fixes a test failure on rhel9.
@@ -23,9 +23,6 @@ const (
// RHCOS services we expect disabled/inactive
var offServices = []string{
"dnsmasq.service",
- "iscsid.service",
- "iscsid.socket",
- "iscsiuio.service",
"nfs-blkmap.service",
"nfs-idmapd.service",
"nfs-mountd.service",
