The CUPS ipptool URL we were checking now redirects to github where the tarball
isn't present, so remove it from the test suite.
(Bitbake rev: e64564bcaa7331f505baa5209fef1f50dfda1469)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>