Messaging: Remove cell broadcasts

* Packagemanager doesn't tell us about its' availability anymore
* It's accessible from notification settings, no need for the app to
  be able to launch them

Change-Id: I10b7742917f8639c94b0187f158cc30156f90e92

src/com/android/messaging/ui/UIIntents.java

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -264,11 +265,6 @@ public abstract class UIIntents {
      */
     public abstract Intent getViewUrlIntent(final String url);
 
-    /**
-     * Get an intent to launch the wireless alert viewer.
-     */
-    public abstract Intent getWirelessAlertsIntent();
-
     /**
      * Get an intent to launch the dialog for changing the default SMS App.
      */