Remove stale ScriptProfiler methods
https://bugs.webkit.org/show_bug.cgi?id=126373

Reviewed by Darin Adler.

No new tests, No change behavior.

* bindings/js/ScriptProfiler.h: Remove dead code.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161204 268f45cc-cd09-0410-ab3c-d52691b4dbfc