hg: shenandoah/jdk: remove useless change in loopnode.cpp

[rwestrel at redhat.com]

Changeset: 14651f7fa1e5
Author:    roland
Date:      2018-11-29 09:23 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/14651f7fa1e5

remove useless change in loopnode.cpp

! src/hotspot/share/opto/loopnode.cpp