[media] dvb: earth-pt1: remove unsupported net subdevices

PT1 and PT2 do not have net functions.

Signed-off-by: Akihiro Tsukada <tskd2@yahoo.co.jp>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/pt1/pt1.c b/drivers/media/dvb/pt1/pt1.c
index 9cd161c..15b35c4 100644
--- a/drivers/media/dvb/pt1/pt1.c
+++ b/drivers/media/dvb/pt1/pt1.c
@@ -99,7 +99,6 @@
 	struct dvb_demux demux;
 	int users;
 	struct dmxdev dmxdev;
-	struct dvb_net net;
 	struct dvb_frontend *fe;
 	int (*orig_set_voltage)(struct dvb_frontend *fe,
 				fe_sec_voltage_t voltage);
@@ -624,7 +623,6 @@
 
 static void pt1_free_adapter(struct pt1_adapter *adap)
 {
-	dvb_net_release(&adap->net);
 	adap->demux.dmx.close(&adap->demux.dmx);
 	dvb_dmxdev_release(&adap->dmxdev);
 	dvb_dmx_release(&adap->demux);
@@ -694,8 +692,6 @@
 	if (ret < 0)
 		goto err_dmx_release;
 
-	dvb_net_init(dvb_adap, &adap->net, &demux->dmx);
-
 	return adap;
 
 err_dmx_release: