[e] (0) Remove confusing meaningless phrase from media events summary
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=26148
Affected topics: Video Text Tracks

git-svn-id: http://svn.whatwg.org/webapps@8730 340c8d12-0b0e-0410-8428-c7bf67bfef74