Short of paying this loan off and correctly "re-doing" the loan.This doesn't negate your violations or financial liability.
RESPA - You will need to properly complete the HUD. On page 3 in the comparison chart you will enter $0.00 in the GFE column and the actual charge in the HUD column and make the necessary cure to the borrower.
Reg Z.
ROR - not anything you can do. They have 3 years to rescind if the refinancing was subject to rescission.
TIL - you will use the contract rate as the APR. The following document will give you guidance on any reimbursement requirements.
http://www.fdic.gov/regulations/laws/rules/5000-300.html