Remove outdated regtype comment

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=126416855

java/google/registry/pricing/TldSpecificLogicEngine.java

@@ -114,7 +114,6 @@ public final class TldSpecificLogicEngine {
    */
   public static EppCommandOperations getRenewPrice(
       Registry registry, String domainName, DateTime date, int years) {
-    // TODO(mmuller): add registration type.
     DomainPrices prices = getPricesForDomainName(domainName, date);
     return new EppCommandOperations(
         registry.getCurrency(),