RFR(T) 8230290: [JVMCI] Remove unused API entry points

[Igor Veresov]

> On Mar 18, 2020, at 8:08 PM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
> 
> Looks good.
> 

Thanks!

> What happened to JVMCIRuntime::thread_is_interrupted()?
> 

Apparently it’s gotten removed already as a part of JDK-8229516.

Igor

> Thanks
> Vladimir K
> 
> On 3/18/20 7:04 PM, Igor Veresov wrote:
>> Actually, it’s only one function VirtualObject.setIsAutoBox(). It ended up not being required, so I’d like to remove it.
>> Webrev: http://cr.openjdk.java.net/~iveresov/8230290/webrev.00/
>> Thanks,
>> igor