Revert "vz: fixed race in vzDomainAttach/DettachDevice"

This reverts commit 3a6cf6fc.

Mistakenly this commit was pushed because I thought I missed the
corret one b880ff42 while in fact I didn't.
Signed-off-by: NMaxim Nestratov <mnestratov@virtuozzo.com>

src/vz/vz_sdk.c

@@ -3552,12 +3552,6 @@ prlsdkAttachDevice(vzDriverPtr driver,
         return -1;
     }
 
-    if (prlsdkUpdateDomain(driver, dom) < 0) {
-        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                        _("Failed to save new config"));
-        return -1;
-    }
-
     job = PrlVm_CommitEx(privdom->sdkdom, PVCF_DETACH_HDD_BUNDLE);
     if (PRL_FAILED(waitDomainJob(job, dom)))
         return -1;
@@ -3623,12 +3617,6 @@ prlsdkDetachDevice(vzDriverPtr driver ATTRIBUTE_UNUSED,
         goto cleanup;
     }
 
-    if (prlsdkUpdateDomain(driver, dom) < 0) {
-        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                        _("Failed to save new config"));
-        goto cleanup;
-    }
-
     job = PrlVm_CommitEx(privdom->sdkdom, PVCF_DETACH_HDD_BUNDLE);
     if (PRL_FAILED(waitDomainJob(job, dom)))
         goto cleanup;