Remove trailing whitespace in files

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=135386752

java/google/registry/flows/domain/DomainCreateFlow.java

@@ -161,7 +161,7 @@ public class DomainCreateFlow extends DomainCreateOrAllocateFlow {
             .setParent(historyEntry)
             .build();
     ofy().save().entity(createEvent);
-    
+
     // Bill for EAP cost, if any.
     if (!commandOperations.getEapCost().isZero()) {
       BillingEvent.OneTime eapEvent =