My attempt at only inheriting python3native if it was needed was broken and
didn't work, so back it out and always inherit.
(From OE-Core rev: eb08ce66cf7ca6dbdb51fb9b9725267606fba6b9)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>