oeqa/multilib: un-skip the connman test

It was previously skipped as it was expecting plain connman
to not be in the image, and for core-image-sato connman is always there.

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>