Version 3.28.71.19 (merged r23127)

Remove the flaky store buffer test for maps.

R=jarin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/692013003

git-svn-id: https://v8.googlecode.com/svn/branches/3.28@25134 ce2b1a6d-e550-0410-aec6-3dcde31c8c00