ALSA: Revert "ALSA: hda - Fix switching between dmic and mic using the same mux on IDT/STAC"

This reverts commit f41cc2a8.

The patch broke the digital mic pin handling wrongly.
Reference: bko#23162
	https://bugzilla.kernel.org/show_bug.cgi?id=23162



Signed-off-by: Takashi Iwai <tiwai@suse.de>