overlay: Remove Keyguard config

* Not valid anymore.

Change-Id: I229796361d52433ab993367f92a8ed4d8e283299

overlay/common/frameworks/base/packages/Keyguard/res/values/config.xml

@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2013 The CyanogenMod 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 xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <!-- default to disabling the menu key. The Lineage setting to
-         do this is a no-op unless the below item is true -->
-    <bool name="config_disableMenuKeyInLockScreen">true</bool>
-
-    <!-- config for showing AM/PM on lock screen in 12hour format -->
-    <bool name="config_showAmpm">false</bool>
-</resources>