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

[Coleen Phillimore]

On Thu, 10 Sep 2020 17:17:10 GMT, Coleen Phillimore <coleenp 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).

Looks good, also trivial.

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