Since rootfs_install_complementary() is now implemented in python for
each backend, remove it from POPULATE_SDK_POST_TARGET_COMMAND. Call it
directly in python.
(From OE-Core rev: c941fce37eb1ca7b77e5885c3e3e776f9538754b)
Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>