Remove feature flag for contextual home.

Fixes: 118444000
Test: rebuild
Change-Id: I4b42e22bd93c2d79bacbd40b28912b4e6808325a

res/layout/settings_main_dashboard.xml

@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2018 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.
--->
-
-<!-- TODO(118444000): Remove this -->
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <include layout="@layout/search_bar" />
-
-    <FrameLayout
-        android:id="@+id/main_content"
-        android:layout_height="match_parent"
-        android:layout_width="match_parent" />
-</LinearLayout>