To the op. I don't know how much you understand about mechanics. On the front derailleur are two screws. You can adjust these to hold the derailleur in the position you want it in. It will be single speed on the front, and you wont need to spend any money, like the example in the post above.
did just that,works great,I guess the biggest problem will be when.i decide to sell the bike,to explain the problem / solution situation.