X87: Cleanup in stub-cache.cc; remove unused ArrayLength store ICs.
X87: Cleanup in stub-cache.cc; remove unused ArrayLength store ICs.

port r22805

original commit message:

  Cleanup in stub-cache.cc; remove unused ArrayLength store ICs.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/438163003

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: f98b9d40cb02301bc76fa9e1b46ee668158567fd@22840 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh