Revert "This implements allocating small typed arrays in heap."

This reverts commit r20244 for breaking Win64 build and webkit tests.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/208503007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20250 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Don't convert dictionary sloppy arguments to fast double mode.

BUG=
R=ishell@chromium.org

Review URL: https://codereview.chromium.org/207683006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20251 ce2b1a6d-e550-0410-aec6-3dcde31c8c00