6808665: Use486InstrsOnly aborts 32-bit VM Summary: The code supporting -XX:+/-Use486InstrsOnly was removed. Reviewed-by: dholmes, thartmann, vlivanov Contributed-by: Jamsheed Mohammed <jamsheed.c.m@oracle.com>

^build/
^dist/
nbproject/private/
^webrev
^.hgtip
^.bridge2
.DS_Store
.metadata/
.recommenders/