RFR 8167227: Simplify the JDK 9 API-specification overview page (docs only)

[Mandy Chung]

Looks good to me.

Mandy

> On Jun 18, 2017, at 3:47 AM, mark.reinhold at oracle.com wrote:
> 
> http://cr.openjdk.java.net/~mr/rev/8182408/
> https://bugs.openjdk.java.net/browse/JDK-8182408
> 
> This is a follow-on to Magnus's changes for 8175824.
> 
> Oracle's legal department has recently advised that the liberal use of
> trademark symbols on the API-specification overview page is not required.
> We should, rather, just include a registered-trademark symbol (®)
> after the first prominent instance of "Java". The warnings about the
> provisional nature of the API can also be simplified.
> 
> The webrev page contains links to example Javadoc output for different
> variants: GA vs. ad-hoc, and SE + JDK + FX vs. SE + JDK vs. just SE.
> 
> Current output, for reference:
> http://download.java.net/java/jdk9/docs/api/overview-summary.html
> 
> Thanks,
> - Mark