package/ulogd: remove autoreconf

Autoreconf is not needed anymore since ulogd 2.0.4
where logd-01-pthread-conditional.patch was removed.

commit: 010745a9

Signed-off-by: Romain Naour <romain.naour@openwide.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>