Revert "Add summary to special app access."

This reverts commit 0e1b53fa6f.

Change-Id: Ica5a9f7f40be3a4c2ae0e999d9832717dc44f3b5

src/com/android/settings/applications/SpecialAppAccessPreferenceController.java

@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 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.
- */
-package com.android.settings.applications;
-
-import android.content.Context;
-import android.support.v7.preference.Preference;
-import com.android.settings.R;
-import com.android.settings.core.PreferenceController;
-import com.android.settings.datausage.DataSaverBackend;
-
-public class SpecialAppAccessPreferenceController extends PreferenceController {
-
-    private static final String KEY_SPECIAL_ACCESS = "special_access";
-
-    private DataSaverBackend mDataSaverBackend;
-
-    public SpecialAppAccessPreferenceController(Context context) {
-        super(context);
-        mDataSaverBackend = new DataSaverBackend(context);
-    }
-
-    @Override
-    public boolean isAvailable() {
-        return true;
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_SPECIAL_ACCESS;
-    }
-
-    @Override
-    public void updateState(Preference preference) {
-        final int count = mDataSaverBackend.getWhitelistedCount();
-        preference.setSummary(mContext.getResources().getQuantityString(
-            R.plurals.special_access_summary, count, count));
-    }
-}