(XS) RFR: 8134642: ParkEvent::RawThreadIdentity appears to be unused and should be removed.

[harold seigel]

Hi David,

The changes look good.

Harold

On 10/22/2015 2:33 AM, David Holmes wrote:
> Bug:
>
> https://bugs.openjdk.java.net/browse/JDK-8134642
>
> Webrev:
>
> http://cr.openjdk.java.net/~dholmes/8134642/webrev/
>
> Simple removal of unused variables.
>
> Testing: JPRT
>
> Will run performance check to ensure field padding changes don't cause 
> performance regression.
>
> Thanks,
> David
>