Remove unnecessary "throws" declarations

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=201058582

java/google/registry/tools/AllocateDomainCommand.java

@@ -63,7 +63,7 @@ final class AllocateDomainCommand extends MutatingEppToolCommand {
   private final List<Key<DomainApplication>> applicationKeys = new ArrayList<>();
 
   @Override
-  protected String postExecute() throws Exception {
+  protected String postExecute() {
     return ofy()
         .transactNewReadOnly(
             () -> {