configs: Remove Duplicate key-sequence ['Telephony Tx']

Duplicate key-sequence ['Telephony Tx']  found in file.
Removed to have unique sequence for fix of VTS.

Change-Id: I11cdf4e9b2d98b08afe970bf5d1eda79dc3cc43e
diff --git a/configs/sdm660/audio_policy_configuration.xml b/configs/sdm660/audio_policy_configuration.xml
index 67b57d5..cd55e82 100644
--- a/configs/sdm660/audio_policy_configuration.xml
+++ b/configs/sdm660/audio_policy_configuration.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <!-- Changes from Qualcomm Innovation Center are provided under the following license: -->
-<!-- Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.          -->	
+<!-- Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.          -->
 <!-- SPDX-License-Identifier: BSD-3-Clause-Clear                                       -->
 
 <!-- Copyright (c) 2016-2021 The Linux Foundation. All rights reserved
@@ -349,8 +349,6 @@
                        sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,hifi_playback"/>
                 <route type="mix" sink="USB Headset Out"
                        sources="primary output,raw,deep_buffer,direct_pcm,compressed_offload,voip_rx,hifi_playback"/>
-                <route type="mix" sink="Telephony Tx"
-                       sources="voice_tx"/>
                 <route type="mix" sink="voice_rx"
                        sources="Telephony Rx"/>
                 <route type="mix" sink="primary input"