onclite: overlay: Remove wifi related internal overlays

These are replaced by formal mainline module overlays.

Bug: 143464763
Test: Send for  Wifi regression tests
Change-Id: I45881ed210132252b9c5c7d6be03ed845e33f971

overlay/frameworks/base/core/res/res/values/config.xml

@@ -134,15 +134,6 @@
     <!-- If this is true, the screen will come on when you unplug usb/power/whatever. -->
     <bool name="config_unplugTurnsOnScreen">true</bool>
 
-    <!-- Wifi driver supports batched scan -->
-    <bool translatable="false" name="config_wifi_batched_scan_supported">true</bool>
-
-    <!-- Boolean indicating whether the wifi chipset supports background scanning mechanism.
-         This mechanism allows the host to remain in suspend state and the dongle to actively
-         scan and wake the host when a configured SSID is detected by the dongle. This chipset
-         capability can provide power savings when wifi needs to be always kept on. -->
-    <bool translatable="false" name="config_wifi_background_scan_support">true</bool>
-
     <!-- This string array should be overridden by the device to present a list of network
          attributes.  This is used by the connectivity manager to decide which networks can coexist
          based on the hardware -->

overlay/frameworks/base/core/res/res/values/strings.xml

-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2017, 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.
-*/
--->
-
-<!-- These resources are around just to allow their values to be customized
-     for different hardware and product builds.  Do not translate. -->
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <!-- Do not translate. Default access point SSID used for tethering -->
-    <string name="wifi_tether_configure_ssid_default" translatable="false">Redmi 7</string>
-</resources>