[Audiosharing] Remove audio streams from settings.

Bug: 324023639
Test: manual
Change-Id: Id1e69422200fdc4b02ac8789ab9370d3ea0448c1

res/layout/preference_widget_lock.xml

@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2023 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<!-- A lock icon for preference in the audio streams page. -->
-<ImageView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/lock_icon"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:layout_gravity="center"
-    android:paddingStart="24dp"
-    android:paddingEnd="24dp"
-    android:background="?android:attr/selectableItemBackground"
-    android:scaleType="center"
-    android:src="@drawable/ic_lock_closed"
-    android:importantForAccessibility="no" />
-