python-ptest needs python-tests package installed in order to
run any tests.
This patch adds python-tests as a runtime dependency, so the test suite
will be present in the image.
While in there, also removed several build host references.
[YOCTO #12144]
(From OE-Core rev: ff83e15289e4b47cd3926220a0039bf97ec35120)
Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
299a44f227