Can I reverse results from unnecessary thread lift and facial fat transfers?

I'm not sure why you're having all these procedures done at the age of 20. At one week there is swelling which makes assessment of the situation impossible. After swelling is totally subsided should There be anything that you dislike it should be discussed your surgeon. You might want to consider getting another opinion.

It is highly unusual to have thread lift, or any
lift in someone your age. As for the fat graft, in properly selected young
patients it can produce pleasing result. You are only 1 week post-op, and it is
impossible to judge your final results at this time. It can take at least 3
months to see if you will need any revision surgery.

but perhaps your pre-op photos would show potential benefit from the procedures you selected.  Regardless, best to check with your surgeon as to how to reverse process.  It is our job to make sure the patient understands everything about procedures being considered.  Did you have that discussion or simply that it could be done?  If your surgeon won't work with you, consider getting a second opinion for other options.  Vigorous massage of your fat grafts will decrease its survival so massage away where you want to rid yourself of the graft.