Revert "ALSA: soc - Fix compile warnings in wm8903.c"

This reverts commit 9171e5e6.

I can't reproduce the compile warnings any more.  The warnings
might be some weird cross-compiling set up.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/soc/codecs/wm8903.c

@@ -379,8 +379,8 @@ static int wm8903_output_event(struct snd_soc_dapm_widget *w,
 	struct wm8903_priv *wm8903 = codec->private_data;
 	struct i2c_client *i2c = codec->control_data;
 	u16 val;
-	u16 uninitialized_var(reg);
-	int uninitialized_var(shift);
+	u16 reg;
+	int shift;
 	u16 cp_reg = wm8903_read(codec, WM8903_CHARGE_PUMP_0);
 
 	switch (w->reg) {