RFR: 8150421: Delete experimental G1UseConcMarkReferenceProcessing

[Kim Barrett]

> On Feb 25, 2016, at 6:52 PM, Jon Masamitsu <jon.masamitsu at oracle.com> wrote:
> 
> 
> Looks good.
> 
> Jon
> 
> On 2/25/2016 3:22 PM, Kim Barrett wrote:
>> Please review this small cleanup to remove an experimental command
>> line option that has long since served its purpose.
>> 
>> CR:
>> https://bugs.openjdk.java.net/browse/JDK-8150421
>> 
>> Webrev:
>> http://cr.openjdk.java.net/~kbarrett/8150421/webrev.00/

Thanks.