As we are now build native gtk+3, it already provides the necessary utilities.
(From OE-Core rev: 7f6c57635ff4e1edf7a46c49af34846ad0a4bf73)
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>