Removing some obsolete features

PROMISE_APPS_NEW_INSTALLS = true
ENABLE_QUICKSTEP_WIDGET_APP_START = true
FOLDER_NAME_SUGGEST = true
ENABLE_PREDICTION_DISMISS = true
HOTSEAT_MIGRATE_TO_FOLDER = false
ENABLE_DEEP_SHORTCUT_ICON_CACHE = true
ENABLE_THEMED_ICONS = true
ENABLE_ALL_APPS_EDU = true
EXPANDED_SMARTSPACE = false

Bug: 241141733
Test: Presubmit
Change-Id: I72c0c20ab7e214994dc3c3665c90e85d45991a7a
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 597bc8d..ea3f723 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -19,7 +19,6 @@
 import static android.app.admin.DevicePolicyManager.ACTION_DEVICE_POLICY_RESOURCE_UPDATED;
 
 import static com.android.launcher3.Utilities.getDevicePrefs;
-import static com.android.launcher3.config.FeatureFlags.ENABLE_THEMED_ICONS;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 import static com.android.launcher3.util.SettingsCache.NOTIFICATION_BADGING_URI;
 
@@ -118,12 +117,10 @@
                 observer, MODEL_EXECUTOR.getHandler());
         mOnTerminateCallback.add(iconChangeTracker::close);
         MODEL_EXECUTOR.execute(observer::verifyIconChanged);
-        if (ENABLE_THEMED_ICONS.get()) {
-            SharedPreferences prefs = Utilities.getPrefs(mContext);
-            prefs.registerOnSharedPreferenceChangeListener(observer);
-            mOnTerminateCallback.add(
-                    () -> prefs.unregisterOnSharedPreferenceChangeListener(observer));
-        }
+        SharedPreferences prefs = Utilities.getPrefs(mContext);
+        prefs.registerOnSharedPreferenceChangeListener(observer);
+        mOnTerminateCallback.add(
+                () -> prefs.unregisterOnSharedPreferenceChangeListener(observer));
 
         InstallSessionTracker installSessionTracker =
                 InstallSessionHelper.INSTANCE.get(context).registerInstallTracker(mModel);