possible fix for grid clear regions sql syntax error

GridService.cs snippet

        private void HandleClearAllRegions(string[] cmd)
        {
            //Delete everything... give no criteria to just do 'delete from gridregions'
            m_Database.DeleteAll(new string[1]{ "1" }, new object[1]{ 1 });
            MainConsole.Instance.Warn("Cleared all regions");
        }