Revert "Add waiting screen before PS setup completion"

This reverts commit 7b0b26ec92.

Reason for revert: b/331935387. ACA has already verified the revert.

Change-Id: Idf28854f25c4bad3563408dbb7b5c84f0cdbe2f2

res/layout/private_space_pre_finish_delay.xml

@@ -1,29 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ 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.
-  -->
-
-<com.google.android.setupdesign.GlifLoadingLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/private_space_pre_finish"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:icon="@drawable/ic_private_space_icon"
-    app:sudUsePartnerHeavyTheme="true"
-    app:sudIllustrationType="default"
-    app:sucHeaderText="@string/private_space_pre_finish_title">
-</com.google.android.setupdesign.GlifLoadingLayout>