8159984: Remove call to ClassLoaderDataGraph::clear_claimed_marks during the initial mark pause
Summary: The CLDG is only iterated once during garbage collection, so we do not need to claim CLDs any more.
Reviewed-by: sjohanss, kbarrett
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
(^|/)\.DS_Store
(^|/)\.metadata/
(^|/)\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
(^|/)JTreport/
(^|/)JTwork/
(^|/)\.git/
^src/utils/hsdis/build/