DynamoDB BillingMode property is not supported in govcloud

AWS::NoValue removes the corresponding resource property
when specified as a return value in the Fn::If intrinsic function.

Signed-off-by: Enrico Usai <[email protected]>

Author: Enrico Usai

cloudformation/aws-parallelcluster.cfn.json

@@ -1563,7 +1563,9 @@
         "BillingMode": {
           "Fn::If": [
             "GovCloudRegion",
-            "PROVISIONED",
+            {
+              "Ref": "AWS::NoValue"
+            },
             "PAY_PER_REQUEST"
           ]
         },
@@ -1574,7 +1576,9 @@
               "ReadCapacityUnits": 5,
               "WriteCapacityUnits": 5
             },
-            { "Ref": "AWS::NoValue" }
+            {
+              "Ref": "AWS::NoValue"
+            }
           ]
         }
       }