Remove the last of the obsolete *-delay.js files. This one

is replaced by src/liveedit-debugger.js.
Review URL: http://codereview.chromium.org/1158005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4221 ce2b1a6d-e550-0410-aec6-3dcde31c8c00