Removed incorrect copyright, this file is actually the AOSP version

app/src/main/res/layout/preference_vertical.xml

-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Copyright (c) 2015 IRCCloud, Ltd.
-  ~
-  ~ 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.
-  -->
+<?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:app="http://schemas.android.com/apk/res-auto"
   xmlns:tools="http://schemas.android.com/tools"
@@ -85,4 +71,4 @@
       android:layout_height="wrap_content"
       android:orientation="vertical" />
   </LinearLayout>
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>