overlay: Remove Trebuchet config

* Full backup was invented long ago.

Change-Id: I171e0c9e796938227d75d95906766aefd6a36a27

overlay/common/packages/apps/Trebuchet/res/values/config.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright 2013 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.
--->
-<resources>
-
-    <!-- Enable backups -->
-    <bool name="enable_backup">true</bool>
-    <string name="backup_api_key">AEdPqrEAAAAIDoOx_2qXwj5RZmKa0fpkv1aqEldrwBp-pnv6Sg</string>
-
-</resources>