RFR: Remove heap printing routines from ShenandoahHeap

[Aleksey Shipilev]

On 06/08/2017 07:04 PM, Aleksey Shipilev wrote:
> The printing code is old, unused and bitrotted. It also does not seem very
> useful on decent heap sizes. I suggest we remove it:
>   http://cr.openjdk.java.net/~shade/shenandoah/heap-print-remove/webrev.01/

Or maybe pull it out to separate .cpp:
  http://cr.openjdk.java.net/~shade/shenandoah/heap-print-remove/webrev.02/

-Aleksey