Auto merge of #3470 - alexcrichton:no-more-urls, r=steveklabnik
authorbors <bors@rust-lang.org>
Thu, 29 Dec 2016 20:38:27 +0000 (20:38 +0000)
committerbors <bors@rust-lang.org>
Thu, 29 Dec 2016 20:38:27 +0000 (20:38 +0000)
Delete manual installation URLs

These have existed since the beginning of time, but they haven't needed to exist
since long before 1.0. Let's just delete them now that they're out of date
anyway.


Trivial merge