Revert "ALSA: usb-audio: Fix microphone sound on Nexigo webcam."

This reverts commit 80326ce1 which is
commit 4a63e68a upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: Ic490aa561e1cb9e974d0bda07106ddaeb35b2e4a
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>