Revert Request for "http+aes" scheme (see also ISSUE-179)

Hi there,

I believe that the addition of the "http+aes" URI scheme 
(<http://dev.w3.org/cvsweb/html5/spec/Overview.html.diff?r1=1.5601;r2=1.5602> 
plus subsequent edits) is controversial in that:

- there's a related issue (ISSUE-179) which hasn't been decided yet,

and

- addition of a new URI scheme seems to be a major change that shouldn't 
happen after Last Call without broad consensus.

See also related thread starting with 
<http://lists.w3.org/Archives/Public/ietf-http-wg/2012JanMar/0795.html>.

Best regards, Julian