Remove unused layout file.

Change-Id: I93a08085ab4e2f098dcbf1199fef9315dcbeb238
diff --git a/res/xml/hard_keyboard_settings.xml b/res/xml/hard_keyboard_settings.xml
deleted file mode 100644
index d09522e..0000000
--- a/res/xml/hard_keyboard_settings.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2011 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">
-
-    <PreferenceCategory
-            android:key="hard_keyboard"
-            android:title="@string/builtin_keyboard_settings_title"
-            android:persistent="false">
-
-        <CheckBoxPreference
-                android:key="auto_replace"
-                android:title="@string/auto_replace"
-                android:summaryOn="@string/auto_replace_summary"
-                android:summaryOff="@string/auto_replace_summary"
-                android:persistent="false"/>
-        <CheckBoxPreference
-                android:key="auto_caps"
-                android:title="@string/auto_caps"
-                android:summaryOn="@string/auto_caps_summary"
-                android:summaryOff="@string/auto_caps_summary"
-                android:persistent="false"/>
-        <CheckBoxPreference
-                android:key="auto_punctuate"
-                android:title="@string/auto_punctuate"
-                android:summaryOn="@string/auto_punctuate_summary"
-                android:summaryOff="@string/auto_punctuate_summary"
-                android:persistent="false"/>
-    </PreferenceCategory>
-</PreferenceScreen>