There is only one version of python 2.x provided, so no need
to set a preferred version.
PYTHON_BASEVERSION is now set explicitly in python-dir.bbclass and
python3-dir.bbclass, so fix up a few recipes that relied on it being
set in default-versions.inc without inheriting python-dir.
(From OE-Core rev: e0c75841078bf65905c1c9aa2946241b2474a7e2)
Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>