Messaging: Remove GServices

We don't have an actual implementation returning anything but the
defaults, so apply the defaults directly anywhere we need them

Change-Id: Ic651b4b13977799f2f4d2c702c430798fbff77f8

res/menu/conversation_list_fragment_menu.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
     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.
@@ -42,10 +43,4 @@
         android:title="@string/action_settings"
         appcompat:showAsAction="never"/>
 
-    <item
-        android:id="@+id/action_debug_options"
-        android:orderInCategory="9900"
-        android:title="@string/action_debug_options"
-        appcompat:showAsAction="never"/>
-
 </menu>