RFR (XS) 8240216: Shenandoah: remove ShenandoahTerminationTrace

[Zhengyu Gu]

On 2/28/20 4:53 AM, Aleksey Shipilev wrote:
> RFE:
>    https://bugs.openjdk.java.net/browse/JDK-8240216
> 
> This was the diagnostic option for working on improving the termination protocol. Now that VM had
> moved globally to OWST as termination protocol, this seems to only increase the maintenance burden.
> The option is turned off by default already.
> 
> Zhengyu, do you agree?

Okay.

-Zhengyu

> 
> Webrev:
>    https://cr.openjdk.java.net/~shade/8240216/webrev.01/
> 
> Testing: hotspot_gc_shenandoah {fastdebug,release}
>