Remove unnecessary "throws" declarations

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

java/google/registry/tools/CreateCdnsTld.java

@@ -62,7 +62,7 @@ class CreateCdnsTld extends ConfirmingCommand {
   private ManagedZone managedZone;
 
   @Override
-  protected void init() throws IOException, GeneralSecurityException {
+  protected void init() {
     managedZone =
         new ManagedZone()
             .setDescription(description)