Remove unnecessary "throws" declarations

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

java/google/registry/tools/SetupOteCommand.java

@@ -221,7 +221,7 @@ final class SetupOteCommand extends ConfirmingCommand implements RemoteApiComman
   }
 
   @Override
-  protected String prompt() throws Exception {
+  protected String prompt() {
     // Each underlying command will confirm its own operation as well, so just provide
     // a summary of the steps in this command.
     if (eapOnly) {