The svk fetcher was removed from bitbake 1.22, so svk support should
logically have been removed from oe-core Daisy onwards.
(From OE-Core rev: 9560d58596ceb50280b81296688883f3fca99aa6)
Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>