conf: Remove extraneous check in virDomainHostdevAssignAddress

Since the only way virDomainHostdevAssignAddress can be called is from
within virDomainHostdevDefParseXML when hostdev->source.subsys.type is
VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI, thus there's no need for redundancy.
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>

src/conf/domain_conf.c

@@ -5342,9 +5342,6 @@ virDomainHostdevAssignAddress(virDomainXMLOptionPtr xmlopt,
     size_t i;
     int ret;
 
-    if (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI)
-        return -1;
-
     for (i = 0; i < def->ncontrollers; i++) {
         if (def->controllers[i]->type != VIR_DOMAIN_CONTROLLER_TYPE_SCSI)
             continue;