Revert "Add FeatureProvider for SyncAcrossDevices Settings integ..."

Revert submission 26930404-syncacrossdevices

Reason for revert: Potential culprit for b/336431732- verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.

Reverted changes: /q/submissionid:26930404-syncacrossdevices

Change-Id: I9da0de82978fa6984a4636e0c9ccc891d9287fd2

src/com/android/settings/notification/syncacrossdevices/SyncAcrossDevicesFeatureCallback.java

@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2024 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.notification.syncacrossdevices;
-
-import androidx.annotation.Nullable;
-import androidx.preference.Preference;
-
-/** Callback to add or remove {@link Preference} in Sync Across Devices feature. */
-public interface SyncAcrossDevicesFeatureCallback {
-
-    /**
-     * Called when a sync across devices feature is added
-     *
-     * @param preference present the feature
-     */
-    void onFeatureAdded(@Nullable Preference preference);
-
-    /**
-     * Called when a sync across devices feature is removed
-     *
-     * @param preference present the feature
-     */
-    void onFeatureRemoved(@Nullable Preference preference);
-}