Remove unnecessary "throws" declarations

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

java/google/registry/tools/UpdateTldCommand.java

@@ -127,7 +127,7 @@ class UpdateTldCommand extends CreateOrUpdateTldCommand {
   }
 
   @Override
-  protected void initTldCommand() throws Exception {
+  protected void initTldCommand() {
     // Due to per-instance caching on Registry, different instances can end up in different TLD
     // states at the same time, so --set_current_tld_state should never be used in production.
     checkArgument(