Revert "Get enrollment animation from overlay"

This reverts commit 9ed7cb40cb.

Bug: 111548033
Bug: 121222038
Change-Id: Ic9c85628c45ea5327d0d3b6969034c13789b920c

src/com/android/settings/biometrics/face/FaceFeatureProvider.java

@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2018 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.biometrics.face;
-
-import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Rect;
-
-/**
- * Feature provider for face authentication.
- */
-public interface FaceFeatureProvider {
-
-    interface EnrollingAnimation {
-        void onEnrollmentHelp(int helpMsgId, CharSequence helpString);
-        void onEnrollmentError(int errMsgId, CharSequence errString);
-        void onEnrollmentProgressChange(int steps, int remaining);
-        void draw(Canvas canvas);
-        void update(long t, long dt);
-    }
-
-    interface Listener {
-        void onEnrolled();
-    }
-
-    EnrollingAnimation getEnrollingAnimation(Context context, Listener listener, Rect bounds,
-            int borderWidth);
-}