rm ad_id reference that is no longer being set

Author: jkasten2

OneSignalSDK/onesignal/src/main/java/com/onesignal/UserState.java

@@ -51,7 +51,7 @@ abstract class UserState {
     public static final int PUSH_STATUS_HMS_API_EXCEPTION_OTHER = -27;
     public static final int PUSH_STATUS_MISSING_HMS_PUSHKIT_LIBRARY = -28;
 
-    private static final String[] LOCATION_FIELDS = new String[] { "lat", "long", "loc_acc", "loc_type", "loc_bg", "loc_time_stamp", "ad_id"};
+    private static final String[] LOCATION_FIELDS = new String[] { "lat", "long", "loc_acc", "loc_type", "loc_bg", "loc_time_stamp" };
     private static final Set<String> LOCATION_FIELDS_SET = new HashSet<>(Arrays.asList(LOCATION_FIELDS));
 
     private String persistKey;