We're dropping RPM 4 as it's not well maintained, therefore remove
a selftest which tests RPM 4 availability.
(From OE-Core rev: ed005dd51c121c27a89a878bfc6abfca496bf51c)
Signed-off-by: Joshua Lock <joshua.g.lock@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>