We no longer need to recover type cells from the oracle.

We only need the values within them. Function calls to Array from optimized code needed the cell in the past, but no longer.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/141893002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@18682 ce2b1a6d-e550-0410-aec6-3dcde31c8c00