Revert "Snapshot i18n Javascript code" and "Fix mjsunit/debug-script after r16298".

This reverts r16298 and r16303 due to ChromeOS browser_tests failures ("Uncaught ReferenceError: Boolean is not defined" in --gtest_filter="FileDisplay/FileManagerBrowserTest.Test/0" and others)

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23414008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16336 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Prepare push to trunk.  Now working on version 3.21.5.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/23205034

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16337 ce2b1a6d-e550-0410-aec6-3dcde31c8c00