Remove BluetoothFeatureProvider and impl

It's not used by anything

Change-Id: I03a73461a391657b8efbce13670a0c92fc4e3565
Fixes: 111940586
Test: rebuild

src/com/android/settings/bluetooth/BluetoothFeatureProvider.java

@@ -1,32 +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.bluetooth;
-
-/**
- * Feature provider for bluetooth feature
- */
-public interface BluetoothFeatureProvider {
-    /**
-     * @return whether additional pairing page is enabled
-     */
-    boolean isPairingPageEnabled();
-
-    /**
-     * @return whether device details should be shown as a separate page (true) or a dialog (false)
-     */
-    boolean isDeviceDetailPageEnabled();
-}