remove kubevirt and openstanck (#25094)

Author: aditimalladi

specification/resourceconnector/resource-manager/Microsoft.ResourceConnector/stable/2022-10-27/appliances.json

@@ -1007,9 +1007,7 @@
               "enum": [
                 "VMWare",
                 "HCI",
-                "SCVMM",
-                "KubeVirt",
-                "OpenStack"
+                "SCVMM"
               ],
               "x-ms-enum": {
                 "name": "provider",
@@ -1038,7 +1036,12 @@
             "Connected",
             "Running",
             "PreparingForUpgrade",
+            "ETCDSnapshotFailed",
             "UpgradePrerequisitesCompleted",
+            "ValidatingSFSConnectivity",
+            "ValidatingImageDownload",
+            "ValidatingImageUpload",
+            "ValidatingETCDHealth",
             "PreUpgrade",
             "UpgradingKVAIO",
             "WaitingForKVAIO",