As the do_package_write() task is listed as deleted, remove the few
remaining references.
(From OE-Core rev: 201d572ab5c57cda1b332356a3b7711bc346696e)
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>