HSEARCH-1713 Removing DefaultEntityInterceptor from public API and makin...

...g it an inner interface of the @Indexed annotation
> by having this interface here, it's promoted to be public, in a public package

There is no promotion. It was already public before. Now it is just an interface which serves as a replacement for Void.class which cannot be used as default, because we use generics. I guess we could rename it to _NoopEntityInterceptor_ which is more descriptive.

> seems to defeat the description of the JIRA?

I can change the Jira title if you like