alsa-mixer: Remove passthrough profiles

These aren't used any more - we handle passthrough mode in the iec958*
profiles now.

src/Makefile.am

@@ -1166,8 +1166,7 @@ dist_alsapaths_DATA = \
 		modules/alsa/mixer/paths/analog-output-headphones-2.conf \
 		modules/alsa/mixer/paths/analog-output-lfe-on-mono.conf \
 		modules/alsa/mixer/paths/analog-output-mono.conf \
-		modules/alsa/mixer/paths/iec958-stereo-output.conf \
+		modules/alsa/mixer/paths/iec958-stereo-output.conf
-		modules/alsa/mixer/paths/iec958-passthrough-output.conf
 
 endif
 

src/modules/alsa/mixer/paths/iec958-passthrough-output.conf

@@ -1,19 +0,0 @@
-# This file is part of PulseAudio.
-#
-# PulseAudio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 2.1 of the
-# License, or (at your option) any later version.
-#
-# PulseAudio is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with PulseAudio; if not, write to the Free Software Foundation,
-# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
-
-
-[Element IEC958]
-switch = mute

src/modules/alsa/mixer/profile-sets/default.conf

@@ -155,13 +155,6 @@ paths-input = iec958-stereo-input
 paths-output = iec958-stereo-output
 priority = 5
 
-[Mapping iec958-passthrough]
-device-strings = iec958:%f
-channel-map = left,right
-direction = output
-paths-output = iec958-passthrough-output
-priority = 5
-
 [Mapping iec958-ac3-surround-40]
 device-strings = a52:%f
 channel-map = front-left,front-right,rear-left,rear-right