If someone gets sent to prison for not paying their taxes, does the debt get eliminated after they get out?

In Ritchard Hatch’s case, he was dispatched to slammer for 51 months for not profitable his taxes upon his 1million dollars he won upon a Survivor Reality Show. Does his debt to a IRS get wiped soured since he has served a 51 months of his sentence? If not, crapper he get dispatched behind to slammer for unwell to compensate a primary volume which he as erst dispatched to slammer for?