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

PT1 and PT2 do not have net functions.

Signed-off-by: Akihiro Tsukada <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/dvb/pt1/pt1.c

···
 	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);
···
 
 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);
···
 	ret = dvb_dmxdev_init(dmxdev, dvb_adap);
 	if (ret < 0)
 		goto err_dmx_release;
-
-	dvb_net_init(dvb_adap, &adap->net, &demux->dmx);
 
 	return adap;