Revert "[Languages] Add new information to system language page."

This reverts commit 3cbb6f8680.

Reason for revert: b/248456615

Change-Id: I3bc5088784ed97f69ffadb0ea69078bfcf7dc39d
Merged-In: I3bc5088784ed97f69ffadb0ea69078bfcf7dc39d

res/xml/languages.xml

@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  Copyright (C) 2022 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.
-  -->
-
-<PreferenceScreen
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:settings="http://schemas.android.com/apk/res-auto"
-    android:title="@string/language_settings">
-
-    <com.android.settingslib.widget.TopIntroPreference
-        android:title="@string/desc_introduction_of_language_picker"
-        android:persistent="false"
-        android:selectable="false"/>
-
-    <PreferenceCategory
-        android:title="@string/language_picker_category_title">
-        <com.android.settingslib.widget.LayoutPreference
-            android:key="languages_picker"
-            android:layout="@layout/locale_order_list" />
-    </PreferenceCategory>
-
-    <com.android.settingslib.widget.FooterPreference
-        android:key="footer_languages_picker"
-        android:title="@string/desc_notice_of_language_picker"
-        android:persistent="false"
-        android:selectable="false"
-        settings:controller="com.android.settings.localepicker.LocaleHelperPreferenceController"/>
-
-</PreferenceScreen>