ASoC: 88pm860x-codec: Cleanup manual bias level transitions

Since the ASoC core now takes care of setting the bias level to
SND_SOC_BIAS_OFF when removing the CODEC there is no need to do it manually
anymore either.

The manual transition to SND_SOC_BIAS_STANDBY at the end of CODEC probe()
can also be removed as the core will automatically do this after the CODEC
has been probed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/88pm860x-codec.c

@@ -1337,8 +1337,6 @@ static int pm860x_probe(struct snd_soc_codec *codec)
 		}
 	}
 
-	pm860x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
 	return 0;
 
 out:
@@ -1354,7 +1352,6 @@ static int pm860x_remove(struct snd_soc_codec *codec)
 
 	for (i = 3; i >= 0; i--)
 		free_irq(pm860x->irq[i], pm860x);
-	pm860x_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;
 }