[giow] (3) Remove some parts of document.all that data shows have virtually no usage.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=22118
Affected topics: DOM APIs

git-svn-id: http://svn.whatwg.org/webapps@8469 340c8d12-0b0e-0410-8428-c7bf67bfef74