[media] mb86a20s: get rid of dummy get_frontend()

This is not needed, as the core handles well if get_frontend()
is not present.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/dvb-frontends/mb86a20s.c

@@ -2028,16 +2028,6 @@ static int mb86a20s_read_signal_strength_from_cache(struct dvb_frontend *fe,
 	return 0;
 }
 
-static int mb86a20s_get_frontend_dummy(struct dvb_frontend *fe)
-{
-	/*
-	 * get_frontend is now handled together with other stats
-	 * retrival, when read_status() is called, as some statistics
-	 * will depend on the layers detection.
-	 */
-	return 0;
-};
-
 static int mb86a20s_tune(struct dvb_frontend *fe,
 			bool re_tune,
 			unsigned int mode_flags,
@@ -2136,7 +2126,6 @@ static struct dvb_frontend_ops mb86a20s_ops = {
 
 	.init = mb86a20s_initfe,
 	.set_frontend = mb86a20s_set_frontend,
-	.get_frontend = mb86a20s_get_frontend_dummy,
 	.read_status = mb86a20s_read_status_and_stats,
 	.read_signal_strength = mb86a20s_read_signal_strength_from_cache,
 	.tune = mb86a20s_tune,