Revert "Return to Launcher Home after wallpaper/grid apply"

Revert submission 14622466-return_to_home

Reason for revert: DroidMonitor-triggered revert due to breakage <https://android-build.googleplex.com/builds/quarterdeck?branch=git_sc-v2-dev&target=slider-userdebug&lkgb=7377508&lkbb=7377536&fkbb=7377536>

Bug: 188616302

Reverted Changes:
Ic9ef5bf6a:Return to Launcher Home after wallpaper/grid apply...
Ia7b8fad1a:Return to Launcher Home after wallpaper/grid apply...

Change-Id: I015a5b894f9f8ed3bdbf8ded6a93a4021b180d23
diff --git a/src/com/android/customization/picker/grid/GridFragment.java b/src/com/android/customization/picker/grid/GridFragment.java
index b0802cf..ab381ee 100644
--- a/src/com/android/customization/picker/grid/GridFragment.java
+++ b/src/com/android/customization/picker/grid/GridFragment.java
@@ -44,7 +44,6 @@
 import com.android.customization.module.ThemesUserEventLogger;
 import com.android.customization.picker.ViewOnlyFullPreviewActivity;
 import com.android.customization.picker.WallpaperPreviewer;
-import com.android.customization.util.LaunchUtils;
 import com.android.customization.widget.OptionSelectorController;
 import com.android.wallpaper.R;
 import com.android.wallpaper.model.WallpaperInfo;
@@ -94,9 +93,6 @@
             Toast.makeText(getContext(), R.string.applied_grid_msg, Toast.LENGTH_SHORT).show();
             getActivity().overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
             getActivity().finish();
-
-            // Go back to launcher home
-            LaunchUtils.launchHome(getContext());
         }
 
         @Override
diff --git a/src/com/android/customization/util/LaunchUtils.java b/src/com/android/customization/util/LaunchUtils.java
deleted file mode 100644
index 5779168..0000000
--- a/src/com/android/customization/util/LaunchUtils.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (C) 2021 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.customization.util;
-
-import android.content.Context;
-import android.content.Intent;
-
-/** Util class for launching activity. */
-public class LaunchUtils {
-
-    /** Goes to Launcher's Home. */
-    public static void launchHome(Context context) {
-        Intent launcherIntent = new Intent(Intent.ACTION_MAIN);
-        launcherIntent.addCategory(Intent.CATEGORY_HOME);
-        launcherIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
-        context.startActivity(launcherIntent);
-    }
-}