RFR: 8253026: Remove dummy call to gc alot from VM Thread

[Coleen Phillimore]

On Thu, 10 Sep 2020 16:27:54 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

> GC Alot can only be performed by a Java Thread:
> 
> void InterfaceSupport::gc_alot() {
>   Thread *thread = Thread::current();
>   if (!thread->is_Java_thread()) return; // Avoid concurrent calls
> 
> Lets remove the dummy call from the VM thread.

Marked as reviewed by coleenp (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/113