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

src/com/android/messaging/ui/appsettings/PerSubscriptionSettingsActivity.java

@@ -138,23 +138,6 @@ public class PerSubscriptionSettingsActivity extends BugleActionBarActivity {
                 advancedCategory.removePreference(deliveryReportsPref);
             }
 
-            // Access Point Names (APNs)
-            final PreferenceScreen apnsScreen =
-                    (PreferenceScreen) findPreference(getString(R.string.sms_apns_key));
-
-            if (!MmsManager.shouldUseLegacyMms()
-                    || (MmsUtils.useSystemApnTable() && !ApnDatabase.doesDatabaseExist())) {
-                // 1) Remove the ability to edit the local APN prefs if it doesn't use legacy APIs.
-                // 2) Don't remove the ability to edit the local APN prefs if this device lets us
-                // access the system APN, but we can't find the MCC/MNC in the APN table and we
-                // created the local APN table in case the MCC/MNC was in there. In other words,
-                // if the local APN table exists, let the user edit it.
-                advancedCategory.removePreference((Preference) apnsScreen);
-            } else {
-                apnsScreen.setIntent(UIIntents.get()
-                        .getApnSettingsIntent(getPreferenceScreen().getContext(), mSubId));
-            }
-
             // We want to disable preferences if we are not the default app, but we do all of the
             // above first so that the user sees the correct information on the screen
             if (!PhoneUtils.getDefault().isDefaultSmsApp()) {