Remove BluetoothFeatureProvider and impl

It's not used by anything

Change-Id: I03a73461a391657b8efbce13670a0c92fc4e3565
Fixes: 111940586
Test: rebuild

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

@@ -1,17 +0,0 @@
-package com.android.settings.bluetooth;
-
-/**
- * Impl for bluetooth feature provider
- */
-public class BluetoothFeatureProviderImpl implements BluetoothFeatureProvider {
-
-    @Override
-    public boolean isPairingPageEnabled() {
-        return false;
-    }
-
-    @Override
-    public boolean isDeviceDetailPageEnabled() {
-        return false;
-    }
-}