Clean up some UnusedResources detected by lint 8

Bug: 234570979
Test: Make Settings
Change-Id: Iaf044fdc4cfcf1eab172f0735c5c7f0330a46107

res/color/storage_wizard_button_red.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2015 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.
--->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_enabled="false"
-          android:alpha="?android:attr/disabledAlpha"
-          android:color="?android:attr/colorError" />
-    <item android:color="?android:attr/colorError" />
-</selector>