hg: jdk/hs: 8198957: Remove unused function ArgumentsExt::set_gc_specific_flags

[erik.helin at oracle.com]

Changeset: e651c3ea6ea8
Author:    ehelin
Date:      2018-03-05 13:15 +0100
URL:       http://hg.openjdk.java.net/jdk/hs/rev/e651c3ea6ea8

8198957: Remove unused function ArgumentsExt::set_gc_specific_flags
Reviewed-by: sjohanss, tschatzl

! src/hotspot/share/runtime/arguments.cpp
! src/hotspot/share/runtime/arguments.hpp
! src/hotspot/share/runtime/arguments_ext.hpp