Revert "Initial checkin of AOSP Messaging app."

This reverts commit 461a34b466.

Change-Id: Iac4ca77eeaa94989e91dead49a7959c905bd3078

src/com/android/messaging/util/BugleApplicationPrefs.java

@@ -1,45 +0,0 @@
-/*
- * 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.
- */
-package com.android.messaging.util;
-
-import android.content.Context;
-
-/**
- * Provides interface to access application-wide shared preferences. This includes both the user
- * visible preferences (e.g. the general settings in the settings page), and internal preferences
- * under {@link BuglePrefsKeys}.
- */
-public class BugleApplicationPrefs extends BuglePrefsImpl {
-    public BugleApplicationPrefs(Context context) {
-        super(context);
-    }
-
-    @Override
-    public String getSharedPreferencesName() {
-        return SHARED_PREFERENCES_NAME;
-    }
-
-    @Override
-    protected void validateKey(String key) {
-        super.validateKey(key);
-        // Callers shouldn't try to access per-subscription preferences from this class
-        Assert.isFalse(key.startsWith(SHARED_PREFERENCES_PER_SUBSCRIPTION_PREFIX));
-    }
-
-    @Override
-    public void onUpgrade(int oldVersion, int newVersion) {
-    }
-}