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
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 365e3d4..0d1f652 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -76,7 +76,6 @@
 import static com.android.launcher3.logging.StatsLogManager.EventEnum;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
-import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_ENTRY;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_ENTRY_WITH_DEVICE_SEARCH;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_EXIT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ONRESUME;
@@ -1251,9 +1250,7 @@
      * Returns {@link EventEnum} that should be logged when Launcher enters into AllApps state.
      */
     protected Optional<EventEnum> getAllAppsEntryEvent() {
-        return Optional.of(FeatureFlags.ENABLE_DEVICE_SEARCH.get()
-                ? LAUNCHER_ALLAPPS_ENTRY_WITH_DEVICE_SEARCH
-                : LAUNCHER_ALLAPPS_ENTRY);
+        return Optional.of(LAUNCHER_ALLAPPS_ENTRY_WITH_DEVICE_SEARCH);
     }
 
     @Override