Fix @VisibleForTesting given the newly deployed enforcement

Generated code is now also covered by @VisibleForTesting, including Dagger @Inject

This CL is a cleanup of auto-generated code by ghm@ from the Error Prone team

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=228748874

java/google/registry/model/eppcommon/Address.java

@@ -100,7 +100,6 @@ public class Address extends ImmutableObject implements Jsonifiable {
   }
 
   /** A builder for constructing {@link Address}. */
-  @VisibleForTesting
   public static class Builder<T extends Address> extends Buildable.Builder<T> {
 
     public Builder() {}