(S) RFR: 8150506: Remove unused locks

[Thomas Schatzl]

Hi David,

On Wed, 2016-02-24 at 17:03 +1000, David Holmes wrote:
> I stumbled across the fact that the following locks are no longer
> being 
> used in the VM:
> 
> Runtime:
>   - Interrupt_lock
>   - ProfileVM_lock
>   - ObjAllocPost_lock
> 
> Serviceability:
>   -JvmtiPendingEvent_lock
> 
> GC:
> - CMark_lock
> - CMRegionStack_lock

  looks good.

Please update the copyright for fprofiler.cpp too. No need for re
-review.

Thanks,
  Thomas