[media] [V3] stv090x: variable 'no_signal' set but not used

Remove variable and ignore return value of stv090x_chk_signal().

Tested by compilation only.

[mchehab@redhat.com: instead of reverting and applying V3,
 applied just the diff patch, for the sake of a cleaner history]
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/stv090x.c

@@ -3411,9 +3411,10 @@ static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
 			/* Reset the packet Error counter2 */
 			if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
 				goto err;
-		} else
+		} else {
 			signal_state = STV090x_NODATA;
-
+			stv090x_chk_signal(state);
+		}
 	}
 	return signal_state;