ASOC: Remove support for ANC headphones

ANC headphones are no longer supported, removed dead code related to the feature.

Change-Id: I3dd51b5b1d9f77fd870947608f8a14fc3f7aeed0
Signed-off-by: Akhil Karuturi <akarutur@codeaurora.org>

include/asoc/wcd-mbhc-v2.h

@@ -124,7 +124,7 @@ do {                                                    \
 #if IS_ENABLED(CONFIG_AUDIO_QGKI)
 #define WCD_MBHC_JACK_MASK (SND_JACK_HEADSET | SND_JACK_OC_HPHL | \
 			   SND_JACK_OC_HPHR | SND_JACK_LINEOUT | \
-			   SND_JACK_MECHANICAL | SND_JACK_MICROPHONE2 | \
+			   SND_JACK_MECHANICAL | \
 			   SND_JACK_UNSUPPORTED)
 #else
 #define WCD_MBHC_JACK_MASK (SND_JACK_HEADSET | SND_JACK_LINEOUT | \