Remove default app suggestions from LauncherExtension

Change-Id: I7c3a1465aaa54ad3b988975810f29ce89e650ec1
diff --git a/src/com/android/launcher3/testing/LauncherExtension.java b/src/com/android/launcher3/testing/LauncherExtension.java
index 6f1acfe..de8da36 100644
--- a/src/com/android/launcher3/testing/LauncherExtension.java
+++ b/src/com/android/launcher3/testing/LauncherExtension.java
@@ -282,15 +282,8 @@
 
         @Override
         public List<ComponentKey> getPredictedApps() {
-            // Return a mock set of predicted apps for UI testing
-            ArrayList<ComponentKey> ar = new ArrayList<>();
-            for (int i = 0; i < 6; i++) {
-                ComponentKey ck = new ComponentKey(new ComponentName("com.android.settings",
-                        "com.android.settings.Settings"), UserHandleCompat.myUserHandle());
-                ar.add(ck);
-            }
-            return ar;
-
+            // To debug app predictions, enable AlphabeticalAppsList#DEBUG_PREDICTIONS
+            return new ArrayList<>();
         }
 
         @Override