You could try negotiating with the current seller to see if they will either replace the floors or refund your deposit. You could also contact an attorney to see if they can provide any guidance in this situation.
Keller Williams Realty Signature Partners
Within standard GAR contracts, the type of flooring would only be relative to the terms of your contract (1) if specifically stipulated within the contract, exhibits or amendments, or (2) if there was an unauthorized change made between the time you viewed/contracted to purchase the property and when you closed or upon occupancy.
Did you see the home prior to signing the contract?
Consult with an attorney and let her/him review your contract to be sure!!!