Remove as-of date from argument list for extra create flow logic

Lai points out that, for creation, the as-of date should always be equal to the creation time. And, in fact, there was a check to throw an exception if that is not the case. So it's more straightforward just to remove that argument entirely.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=138783711

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

@@ -269,7 +269,7 @@ public class DomainCreateFlow implements TransactionalFlow {
         .setContacts(command.getContacts())
         .addGracePeriod(GracePeriod.forBillingEvent(GracePeriodStatus.ADD, createBillingEvent))
         .build();
-    handleExtraFlowLogic(registry.getTldStr(), years, historyEntry, newDomain, now);
+    handleExtraFlowLogic(registry.getTldStr(), years, historyEntry, newDomain);
     entitiesToSave.add(
         newDomain,
         ForeignKeyIndex.create(newDomain, newDomain.getDeletionTime()),
@@ -396,7 +396,7 @@ public class DomainCreateFlow implements TransactionalFlow {
   }
 
   private void handleExtraFlowLogic(
-      String tld, int years, HistoryEntry historyEntry, DomainResource newDomain, DateTime now)
+      String tld, int years, HistoryEntry historyEntry, DomainResource newDomain)
           throws EppException {
     Optional<RegistryExtraFlowLogic> extraFlowLogic =
         RegistryExtraFlowLogicProxy.newInstanceForTld(tld);
@@ -404,7 +404,6 @@ public class DomainCreateFlow implements TransactionalFlow {
       extraFlowLogic.get().performAdditionalDomainCreateLogic(
           newDomain,
           clientId,
-          now,
           years,
           eppInput,
           historyEntry);

java/google/registry/flows/domain/RegistryExtraFlowLogic.java

@@ -89,7 +89,6 @@ public interface RegistryExtraFlowLogic {
   public void performAdditionalDomainCreateLogic(
       DomainResource domain,
       String clientId,
-      DateTime asOfDate,
       int years,
       EppInput eppInput,
       HistoryEntry historyEntry) throws EppException;

javatests/google/registry/model/domain/TestExtraLogicManager.java

@@ -198,7 +198,6 @@ public class TestExtraLogicManager implements RegistryExtraFlowLogic {
   public void performAdditionalDomainCreateLogic(
       DomainResource domain,
       String clientId,
-      DateTime asOfDate,
       int years,
       EppInput eppInput,
       HistoryEntry historyEntry) throws EppException {