That is how it was originally filmed from what I understand, later they decided it didn't work very well and refilmed it with Palps using his own saber and Anakin running in at the last minute and having to choose a side. In the original he had already choosen. I am not sure why they didn't think it worked. I don't think it works as it is now either.

The other delected scene I would love to have my hands on is where Anakin kills Shak Ti. I really think we needed to see him fighting a few more Jedi. His turn had the potential for a great number of lightsaber fights.