Delete topics.

Bug: 23220370
Change-Id: Ib1bc26183f00685b6547d5ffe37ce149c31fe153
diff --git a/res/xml/topic_notification_settings.xml b/res/xml/topic_notification_settings.xml
deleted file mode 100644
index ca41276..0000000
--- a/res/xml/topic_notification_settings.xml
+++ /dev/null
@@ -1,49 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2015 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"
-        android:title="@string/topic_notifications_title"
-        android:key="topic_notification_settings">
-
-    <!-- Importance -->
-    <com.android.settingslib.RestrictedPreference
-            android:key="importance_title"
-            android:title="@string/notification_importance_title"
-            android:order="1" />
-    <com.android.settings.notification.ImportanceSeekBarPreference
-            android:key="importance"
-            android:order="2" />
-
-    <com.android.settings.applications.LayoutPreference
-            android:key="importance_reset_button"
-            android:order="3"
-            android:layout="@layout/two_buttons_panel" />
-
-    <!-- Sensitive -->
-    <com.android.settingslib.RestrictedSwitchPreference
-            android:key="sensitive"
-            android:title="@string/app_notification_sensitive_title"
-            android:summary="@string/app_notification_sensitive_summary"
-            android:order="4" />
-
-    <!-- Bypass DND -->
-    <com.android.settingslib.RestrictedSwitchPreference
-            android:key="bypass_dnd"
-            android:title="@string/app_notification_override_dnd_title"
-            android:summary="@string/app_notification_override_dnd_summary"
-            android:order="5" />
-
-</PreferenceScreen>