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

src/com/android/launcher3/LauncherModel.java

@@ -457,9 +457,6 @@ public class LauncherModel extends LauncherApps.Callback implements InstallSessi
 
     @Override
     public void onSessionFailure(String packageName, UserHandle user) {
-        if (!FeatureFlags.PROMISE_APPS_NEW_INSTALLS.get()) {
-            return;
-        }
         enqueueModelUpdateTask(new BaseModelUpdateTask() {
             @Override
             public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {