Make deleted share name and version required

Author: zfchen95

specification/storage/resource-manager/Microsoft.Storage/stable/2019-06-01/file.json

@@ -542,10 +542,12 @@
       "properties": {
         "deletedShareName": {
           "type": "string",
+          "required":  true,
           "description": "Required. Identify the name of the deleted share that will be restored."
         },
         "deletedShareVersion": {
           "type": "string",
+          "required": true,
           "description": "Required. Identify the version of the deleted share that will be restored."
         }
       },