Cleaning up some enabled features

Bug: 270394468
Bug: 270393900
Bug: 270390907
Bug: 270390930
Bug: 270390937
Bug: 270391693
Bug: 270391638
Bug: 270395177
Bug: 270395269
Flag: EXEMPT legacy flags cleanup
        ENABLE_SHOW_KEYBOARD_OPTION_IN_ALL_APPS
        ENABLE_ALL_APPS_SEARCH_IN_TASKBAR
        ENABLE_DEVICE_SEARCH
        ENABLE_HIDE_HEADER
        ENABLE_TWOLINE_ALLAPPS
        IME_STICKY_SNACKBAR_EDU
        FOLDER_NAME_MAJORITY_RANKING
        SCROLL_TOP_TO_RESET
        ENABLE_SEARCH_UNINSTALLED_APPS
        ENABLE_HOME_TRANSITION_LISTENER

Test: Presubmit
Change-Id: Ia392c10fc65616405cc4d4a2b8ed566e3bb7d386

quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsFallbackSearchContainer.java

@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2022 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.launcher3.taskbar.allapps;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.View;
-
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.ExtendedEditText;
-import com.android.launcher3.allapps.ActivityAllAppsContainerView;
-import com.android.launcher3.allapps.SearchUiManager;
-
-/** Empty search container for Taskbar All Apps used as a fallback if search is not supported. */
-public class TaskbarAllAppsFallbackSearchContainer extends View implements SearchUiManager {
-    public TaskbarAllAppsFallbackSearchContainer(Context context, AttributeSet attrs) {
-        this(context, attrs, 0);
-    }
-
-    public TaskbarAllAppsFallbackSearchContainer(
-            Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    @Override
-    public void initializeSearch(ActivityAllAppsContainerView<?> containerView) {
-        // Do nothing.
-    }
-
-    @Override
-    public void resetSearch() {
-        // Do nothing.
-    }
-
-    @Nullable
-    @Override
-    public ExtendedEditText getEditText() {
-        return null;
-    }
-}