Revert "Support ES6 Map and Set in heap profiler"

This reverts commit 47f86e067fc0779c53f67d24598eba47d03cd0a9 due to some weird (likely unrelated) compilation errors.

BUG=v8:3368
TBR=rossberg

Review URL: https://codereview.chromium.org/380153002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22312 ce2b1a6d-e550-0410-aec6-3dcde31c8c00