8062307: 'Reference handler' thread triggers assert w/ TraceThreadEvents
Summary: Removed unused and non-working TraceThreadEvents option
Reviewed-by: coleenp, jiangli
^build/
^dist/
^webrev
/nbproject/private/
^src/share/tools/hsdis/build/
^src/share/tools/IdealGraphVisualizer/[a-zA-Z0-9]*/build/
^src/share/tools/IdealGraphVisualizer/build/
^src/share/tools/IdealGraphVisualizer/dist/
^.hgtip
.DS_Store