hg: jdk10/hs/hotspot: 8142749: HeapRegion::_predicted_bytes_to_copy is unused and can be removed

[thomas.schatzl at oracle.com]

Changeset: 54fb9eb03e18
Author:    fzhinkin
Date:      2016-05-30 14:42 +0300
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/54fb9eb03e18

8142749: HeapRegion::_predicted_bytes_to_copy is unused and can be removed
Reviewed-by: tschatzl, drwhite
Contributed-by: Vsevolod Tolstopyatov <qwwdfsad at gmail.com>

! src/share/vm/gc/g1/g1EvacFailure.cpp
! src/share/vm/gc/g1/heapRegion.cpp
! src/share/vm/gc/g1/heapRegion.hpp