Jer - I have been away and not been posting for a bit, so just catching up. I agree 100% with Job.
I don't know what the legal sitch is in your state, but I would urge you not to make things too easy. This is what she wants, not you. MLCers (like narcissists with whom they have much in common) are very very adept at playing the guilt card. Manipulation is the name of the game during MLC. If it were a business partnership she could not behave like this.
These are children you have in common - she has obligations to them and to you as a consequence of changing her mind about how she wants to live her life.