Hi Lee, I am not aware of an official "no sugar no flour" diet plan. There are programs such as CEA-HOW that abstain from sugar and flour. There are other similar programs like Food Addicts Anonymous and OAHOW (Over Eaters Anonymous). All these programs are predicated on a 12 step program and do not count calories. There are support groups available for these programs.
You can find more information on CEA-HOW at: http://www.ceahow.org/
There are other diet plans such as Sugar Busters and South Beach Diet that abstain from sugar. I am not really familar with these diet plans or whether they count calories.