RFR: 8205678: ZGC: Remove unused ZAllocationFlags::java_thread()

[Per Liden]

Ah, good catch, will updated that before I push. Thanks for reviewing!

/Per

On 2018-06-27 15:20, Stefan Karlsson wrote:
> Looks good, but maybe update this comment:
>   //  * 7-5 Unused (3-bits)
> 
> StefanK
> 
> On 2018-06-26 12:45, Per Liden wrote:
>> After JDK-8205676, the java_thread field in the ZAllocationFlags is 
>> unused and can be removed.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8205678
>> Webrev: http://cr.openjdk.java.net/~pliden/8205678/webrev.0
>>
>> /Per