docs: synchronized boolean deleteMessageForId(String messageId, String userId){
          if(messageId == null || userId == null) return false;
  
          final String tName = Table.INBOX_MESSAGES.getName();
  
          try {
              final SQLiteDatabase db = dbHelper.getWritableDatabase();
              db.delete(tName, _ID + " = ? AND " + USER_ID + " = ?", new String[]{messageId,userId});
              return true;
          } catch (final SQLiteException e) {
              getConfigLogger().verbose("Error removing stale records from " + tName, e);
              return false;
          } finally {
              dbHelper.close();
          }
      }