Cleaning up enable_dismiss_prediction_undo flag

Test: Presubmit
Bug: 423987554
Flag: EXEMPT cleanup
Change-Id: Ieb77a5be397c8a516f6b3b8ee48ee449d71a4807
diff --git a/aconfig/launcher.aconfig b/aconfig/launcher.aconfig
index 5940a42..18af40d 100644
--- a/aconfig/launcher.aconfig
+++ b/aconfig/launcher.aconfig
@@ -300,13 +300,6 @@
 }
 
 flag {
-    name: "enable_dismiss_prediction_undo"
-    namespace: "launcher"
-    description: "Show an 'Undo' snackbar when users dismiss a predicted hotseat item"
-    bug: "270394476"
-}
-
-flag {
     name: "enable_all_apps_button_in_hotseat"
     namespace: "launcher"
     description: "Enables displaying the all apps button in the hotseat."
diff --git a/src/com/android/launcher3/popup/PopupDataSource.kt b/src/com/android/launcher3/popup/PopupDataSource.kt
index b527d76..247599c 100644
--- a/src/com/android/launcher3/popup/PopupDataSource.kt
+++ b/src/com/android/launcher3/popup/PopupDataSource.kt
@@ -207,20 +207,18 @@
                 .logger()
                 .withItemInfo(itemInfo)
                 .log(LauncherEvent.LAUNCHER_SYSTEM_SHORTCUT_DONT_SUGGEST_APP_TAP)
-            if (Flags.enableDismissPredictionUndo()) {
-                Snackbar.show(
-                    activityContext,
-                    view.context.getString(R.string.item_removed),
-                    R.string.undo,
-                    {},
-                    {
-                        activityContext.statsLogManager
-                            .logger()
-                            .withItemInfo(itemInfo)
-                            .log(LauncherEvent.LAUNCHER_DISMISS_PREDICTION_UNDO)
-                    },
-                )
-            }
+            Snackbar.show(
+                activityContext,
+                view.context.getString(R.string.item_removed),
+                R.string.undo,
+                {},
+                {
+                    activityContext.statsLogManager
+                        .logger()
+                        .withItemInfo(itemInfo)
+                        .log(LauncherEvent.LAUNCHER_DISMISS_PREDICTION_UNDO)
+                },
+            )
         }
 
     // Popup data the "don't suggest app" shortcut.
diff --git a/src/com/android/launcher3/popup/SystemShortcut.java b/src/com/android/launcher3/popup/SystemShortcut.java
index 52248c4..349481d 100644
--- a/src/com/android/launcher3/popup/SystemShortcut.java
+++ b/src/com/android/launcher3/popup/SystemShortcut.java
@@ -394,14 +394,12 @@
             mTarget.getStatsLogManager().logger()
                     .withItemInfo(mItemInfo)
                     .log(LAUNCHER_SYSTEM_SHORTCUT_DONT_SUGGEST_APP_TAP);
-            if (Flags.enableDismissPredictionUndo()) {
-                Snackbar.show(mTarget,
-                        view.getContext().getString(R.string.item_removed), R.string.undo,
-                        () -> { }, () ->
-                            mTarget.getStatsLogManager().logger()
-                                    .withItemInfo(mItemInfo)
-                                    .log(LAUNCHER_DISMISS_PREDICTION_UNDO));
-            }
+            Snackbar.show(mTarget,
+                    view.getContext().getString(R.string.item_removed), R.string.undo,
+                    () -> { }, () ->
+                        mTarget.getStatsLogManager().logger()
+                                .withItemInfo(mItemInfo)
+                                .log(LAUNCHER_DISMISS_PREDICTION_UNDO));
         }
     }
 
diff --git a/tests/src/com/android/launcher3/popup/SystemShortcutTest.java b/tests/src/com/android/launcher3/popup/SystemShortcutTest.java
index 094c661..41e55b9 100644
--- a/tests/src/com/android/launcher3/popup/SystemShortcutTest.java
+++ b/tests/src/com/android/launcher3/popup/SystemShortcutTest.java
@@ -20,7 +20,6 @@
 
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;
 import static com.android.launcher3.AbstractFloatingView.TYPE_SNACKBAR;
-import static com.android.launcher3.Flags.FLAG_ENABLE_DISMISS_PREDICTION_UNDO;
 import static com.android.launcher3.Flags.FLAG_ENABLE_PRIVATE_SPACE;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_ALL_APPS;
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION;
@@ -187,25 +186,6 @@
     }
 
     @Test
-    @DisableFlags(FLAG_ENABLE_DISMISS_PREDICTION_UNDO)
-    public void testDontSuggestAppForPredictedItem() {
-        mAppInfo = new AppInfo();
-        mAppInfo.componentName = new ComponentName(mTestContext, getClass());
-        mAppInfo.container = CONTAINER_HOTSEAT_PREDICTION;
-        assertTrue(mAppInfo.isPredictedItem());
-        SystemShortcut systemShortcut = SystemShortcut.DONT_SUGGEST_APP
-                .getShortcut(mTestContext, mAppInfo, mView);
-        assertNotNull(systemShortcut);
-
-        TestUtil.runOnExecutorSync(MAIN_EXECUTOR, () -> systemShortcut.onClick(mView));
-        InstrumentationRegistry.getInstrumentation().waitForIdleSync();
-
-        verify(mStatsLogger).log(eq(LAUNCHER_SYSTEM_SHORTCUT_DONT_SUGGEST_APP_TAP));
-        assertFalse(AbstractFloatingView.hasOpenView(mTestContext, TYPE_SNACKBAR));
-    }
-
-    @Test
-    @EnableFlags(FLAG_ENABLE_DISMISS_PREDICTION_UNDO)
     public void testDontSuggestAppForPredictedItemWithUndo() {
         mAppInfo = new AppInfo();
         mAppInfo.componentName = new ComponentName(mTestContext, getClass());