RFR: 8230096: ZGC: Remove unused ZObjectAllocator::_nworkers

[Per Liden]

Thanks!

/Per

On 8/23/19 2:34 PM, Stefan Karlsson wrote:
> Looks good.
> 
> StefanK
> 
> On 2019-08-23 13:14, Per Liden wrote:
>> ZObjectAllocator::_nworkers is unused and should be removed.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8230096
>> Webrev: http://cr.openjdk.java.net/~pliden/8230096/webrev.0
>>
>> /Per