config: remove telephony tx/rx devices as attached

Remove Telephony TX/RX devices as permanently
attached devices to avoid voice tx/rx enablement
as part of BT SCO call on value-added audio
policy configuration.

Change-Id: Id103e3b41eb6a604600a843067b6a74a4fc877eb
diff --git a/configs/msmnile_au/audio_policy_configuration.xml b/configs/msmnile_au/audio_policy_configuration.xml
index 5a54b6d..70742b4 100644
--- a/configs/msmnile_au/audio_policy_configuration.xml
+++ b/configs/msmnile_au/audio_policy_configuration.xml
@@ -58,11 +58,9 @@
                 <item>Nav Guidance Bus</item>
                 <item>Phone Bus</item>
                 <item>Rear Seat Bus</item>
-                <item>Telephony Tx</item>
                 <item>Built-In Mic</item>
                 <item>Built-In Back Mic</item>
                 <item>FM Tuner</item>
-                <item>Telephony Rx</item>
             </attachedDevices>
             <defaultOutputDevice>Media Bus</defaultOutputDevice>
             <mixPorts>
diff --git a/configs/msmsteppe_au/audio_policy_configuration.xml b/configs/msmsteppe_au/audio_policy_configuration.xml
index 7355e3f..58c8e4b 100644
--- a/configs/msmsteppe_au/audio_policy_configuration.xml
+++ b/configs/msmsteppe_au/audio_policy_configuration.xml
@@ -58,11 +58,9 @@
                 <item>Nav Guidance Bus</item>
                 <item>Phone Bus</item>
                 <item>Rear Seat Bus</item>
-                <item>Telephony Tx</item>
                 <item>Built-In Mic</item>
                 <item>Built-In Back Mic</item>
                 <item>FM Tuner</item>
-                <item>Telephony Rx</item>
             </attachedDevices>
             <defaultOutputDevice>Media Bus</defaultOutputDevice>
             <mixPorts>